247649920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 706401000

約数和(自身を除く): 458751080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 128, 140, 149, 160, 196, 212, 224, 245, 265, 280, 298, 320, 371, 392, 424, 448, 490, 530, 560, 596, 640, 742, 745, 784, 848, 896, 980, 1043, 1060, 1120, 1192, 1484, 1490, 1568, 1696, 1855, 1960, 2086, 2120, 2240, 2384, 2597, 2968, 2980, 3136, 3392, 3710, 3920, 4172, 4240, 4480, 4768, 5194, 5215, 5936, 5960, 6272, 6784, 7301, 7420, 7840, 7897, 8344, 8480, 9536, 10388, 10430, 11872, 11920, 12985, 14602, 14840, 15680, 15794, 16688, 16960, 19072, 20776, 20860, 23744, 23840, 25970, 29204, 29680, 31360, 31588, 33376, 33920, 36505, 39485, 41552, 41720, 47488, 47680, 51940, 55279, 58408, 59360, 63176, 66752, 73010, 78970, 83104, 83440, 95360, 103880, 110558, 116816, 118720, 126352, 133504, 146020, 157940, 166208, 166880, 207760, 221116, 233632, 237440, 252704, 276395, 292040, 315880, 332416, 333760, 386953, 415520, 442232, 467264, 505408, 552790, 584080, 631760, 667520, 773906, 831040, 884464, 934528, 1010816, 1105580, 1168160, 1263520, 1547812, 1662080, 1768928, 1934765, 2211160, 2336320, 2527040, 3095624, 3537856, 3869530, 4422320, 4672640, 5054080, 6191248, 7075712, 7739060, 8844640, 12382496, 15478120, 17689280, 24764992, 30956240, 35378560, 49529984, 61912480, 123824960, 247649920]

約数ペア:

[(1, 247649920), (2, 123824960), (4, 61912480), (5, 49529984), (7, 35378560), (8, 30956240), (10, 24764992), (14, 17689280), (16, 15478120), (20, 12382496), (28, 8844640), (32, 7739060), (35, 7075712), (40, 6191248), (49, 5054080), (53, 4672640), (56, 4422320), (64, 3869530), (70, 3537856), (80, 3095624), (98, 2527040), (106, 2336320), (112, 2211160), (128, 1934765), (140, 1768928), (149, 1662080), (160, 1547812), (196, 1263520), (212, 1168160), (224, 1105580), (245, 1010816), (265, 934528), (280, 884464), (298, 831040), (320, 773906), (371, 667520), (392, 631760), (424, 584080), (448, 552790), (490, 505408), (530, 467264), (560, 442232), (596, 415520), (640, 386953), (742, 333760), (745, 332416), (784, 315880), (848, 292040), (896, 276395), (980, 252704), (1043, 237440), (1060, 233632), (1120, 221116), (1192, 207760), (1484, 166880), (1490, 166208), (1568, 157940), (1696, 146020), (1855, 133504), (1960, 126352), (2086, 118720), (2120, 116816), (2240, 110558), (2384, 103880), (2597, 95360), (2968, 83440), (2980, 83104), (3136, 78970), (3392, 73010), (3710, 66752), (3920, 63176), (4172, 59360), (4240, 58408), (4480, 55279), (4768, 51940), (5194, 47680), (5215, 47488), (5936, 41720), (5960, 41552), (6272, 39485), (6784, 36505), (7301, 33920), (7420, 33376), (7840, 31588), (7897, 31360), (8344, 29680), (8480, 29204), (9536, 25970), (10388, 23840), (10430, 23744), (11872, 20860), (11920, 20776), (12985, 19072), (14602, 16960), (14840, 16688), (15680, 15794)]