1868624800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 216

約数和(自身を含む): 5387491116

約数和(自身を除く): 3518866316

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 73, 80, 98, 100, 112, 140, 146, 160, 175, 196, 200, 224, 245, 280, 292, 350, 365, 392, 400, 490, 511, 560, 584, 653, 700, 730, 784, 800, 980, 1022, 1120, 1168, 1225, 1306, 1400, 1460, 1568, 1825, 1960, 2044, 2336, 2450, 2555, 2612, 2800, 2920, 3265, 3577, 3650, 3920, 4088, 4571, 4900, 5110, 5224, 5600, 5840, 6530, 7154, 7300, 7840, 8176, 9142, 9800, 10220, 10448, 11680, 12775, 13060, 14308, 14600, 16325, 16352, 17885, 18284, 19600, 20440, 20896, 22855, 25550, 26120, 28616, 29200, 31997, 32650, 35770, 36568, 39200, 40880, 45710, 47669, 51100, 52240, 57232, 58400, 63994, 65300, 71540, 73136, 81760, 89425, 91420, 95338, 102200, 104480, 114275, 114464, 127988, 130600, 143080, 146272, 159985, 178850, 182840, 190676, 204400, 228550, 238345, 255976, 261200, 286160, 319970, 333683, 357700, 365680, 381352, 408800, 457100, 476690, 511952, 522400, 572320, 639940, 667366, 715400, 731360, 762704, 799925, 914200, 953380, 1023904, 1191725, 1279880, 1334732, 1430800, 1525408, 1599850, 1668415, 1828400, 1906760, 2335781, 2383450, 2559760, 2669464, 2861600, 3199700, 3336830, 3656800, 3813520, 4671562, 4766900, 5119520, 5338928, 6399400, 6673660, 7627040, 8342075, 9343124, 9533800, 10677856, 11678905, 12798800, 13347320, 16684150, 18686248, 19067600, 23357810, 25597600, 26694640, 33368300, 37372496, 38135200, 46715620, 53389280, 58394525, 66736600, 74744992, 93431240, 116789050, 133473200, 186862480, 233578100, 266946400, 373724960, 467156200, 934312400, 1868624800]

約数ペア:

[(1, 1868624800), (2, 934312400), (4, 467156200), (5, 373724960), (7, 266946400), (8, 233578100), (10, 186862480), (14, 133473200), (16, 116789050), (20, 93431240), (25, 74744992), (28, 66736600), (32, 58394525), (35, 53389280), (40, 46715620), (49, 38135200), (50, 37372496), (56, 33368300), (70, 26694640), (73, 25597600), (80, 23357810), (98, 19067600), (100, 18686248), (112, 16684150), (140, 13347320), (146, 12798800), (160, 11678905), (175, 10677856), (196, 9533800), (200, 9343124), (224, 8342075), (245, 7627040), (280, 6673660), (292, 6399400), (350, 5338928), (365, 5119520), (392, 4766900), (400, 4671562), (490, 3813520), (511, 3656800), (560, 3336830), (584, 3199700), (653, 2861600), (700, 2669464), (730, 2559760), (784, 2383450), (800, 2335781), (980, 1906760), (1022, 1828400), (1120, 1668415), (1168, 1599850), (1225, 1525408), (1306, 1430800), (1400, 1334732), (1460, 1279880), (1568, 1191725), (1825, 1023904), (1960, 953380), (2044, 914200), (2336, 799925), (2450, 762704), (2555, 731360), (2612, 715400), (2800, 667366), (2920, 639940), (3265, 572320), (3577, 522400), (3650, 511952), (3920, 476690), (4088, 457100), (4571, 408800), (4900, 381352), (5110, 365680), (5224, 357700), (5600, 333683), (5840, 319970), (6530, 286160), (7154, 261200), (7300, 255976), (7840, 238345), (8176, 228550), (9142, 204400), (9800, 190676), (10220, 182840), (10448, 178850), (11680, 159985), (12775, 146272), (13060, 143080), (14308, 130600), (14600, 127988), (16325, 114464), (16352, 114275), (17885, 104480), (18284, 102200), (19600, 95338), (20440, 91420), (20896, 89425), (22855, 81760), (25550, 73136), (26120, 71540), (28616, 65300), (29200, 63994), (31997, 58400), (32650, 57232), (35770, 52240), (36568, 51100), (39200, 47669), (40880, 45710)]