202050400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 524966400

約数和(自身を除く): 322916000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 79, 80, 92, 100, 115, 139, 158, 160, 184, 200, 230, 278, 316, 368, 395, 400, 460, 556, 575, 632, 695, 736, 790, 800, 920, 1112, 1150, 1264, 1390, 1580, 1817, 1840, 1975, 2224, 2300, 2528, 2780, 3160, 3197, 3475, 3634, 3680, 3950, 4448, 4600, 5560, 6320, 6394, 6950, 7268, 7900, 9085, 9200, 10981, 11120, 12640, 12788, 13900, 14536, 15800, 15985, 18170, 18400, 21962, 22240, 25576, 27800, 29072, 31600, 31970, 36340, 43924, 45425, 51152, 54905, 55600, 58144, 63200, 63940, 72680, 79925, 87848, 90850, 102304, 109810, 111200, 127880, 145360, 159850, 175696, 181700, 219620, 252563, 255760, 274525, 290720, 319700, 351392, 363400, 439240, 505126, 511520, 549050, 639400, 726800, 878480, 1010252, 1098100, 1262815, 1278800, 1453600, 1756960, 2020504, 2196200, 2525630, 2557600, 4041008, 4392400, 5051260, 6314075, 8082016, 8784800, 10102520, 12628150, 20205040, 25256300, 40410080, 50512600, 101025200, 202050400]

約数ペア:

[(1, 202050400), (2, 101025200), (4, 50512600), (5, 40410080), (8, 25256300), (10, 20205040), (16, 12628150), (20, 10102520), (23, 8784800), (25, 8082016), (32, 6314075), (40, 5051260), (46, 4392400), (50, 4041008), (79, 2557600), (80, 2525630), (92, 2196200), (100, 2020504), (115, 1756960), (139, 1453600), (158, 1278800), (160, 1262815), (184, 1098100), (200, 1010252), (230, 878480), (278, 726800), (316, 639400), (368, 549050), (395, 511520), (400, 505126), (460, 439240), (556, 363400), (575, 351392), (632, 319700), (695, 290720), (736, 274525), (790, 255760), (800, 252563), (920, 219620), (1112, 181700), (1150, 175696), (1264, 159850), (1390, 145360), (1580, 127880), (1817, 111200), (1840, 109810), (1975, 102304), (2224, 90850), (2300, 87848), (2528, 79925), (2780, 72680), (3160, 63940), (3197, 63200), (3475, 58144), (3634, 55600), (3680, 54905), (3950, 51152), (4448, 45425), (4600, 43924), (5560, 36340), (6320, 31970), (6394, 31600), (6950, 29072), (7268, 27800), (7900, 25576), (9085, 22240), (9200, 21962), (10981, 18400), (11120, 18170), (12640, 15985), (12788, 15800), (13900, 14536)]