201945900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1060

約数の個数: 144

約数和(自身を含む): 641771424

約数和(自身を除く): 439825524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 53, 60, 65, 75, 78, 100, 106, 130, 150, 156, 159, 195, 212, 260, 265, 300, 318, 325, 390, 530, 636, 650, 689, 780, 795, 975, 977, 1060, 1300, 1325, 1378, 1590, 1950, 1954, 2067, 2650, 2756, 2931, 3180, 3445, 3900, 3908, 3975, 4134, 4885, 5300, 5862, 6890, 7950, 8268, 9770, 10335, 11724, 12701, 13780, 14655, 15900, 17225, 19540, 20670, 24425, 25402, 29310, 34450, 38103, 41340, 48850, 50804, 51675, 51781, 58620, 63505, 68900, 73275, 76206, 97700, 103350, 103562, 127010, 146550, 152412, 155343, 190515, 206700, 207124, 254020, 258905, 293100, 310686, 317525, 381030, 517810, 621372, 635050, 673153, 762060, 776715, 952575, 1035620, 1270100, 1294525, 1346306, 1553430, 1905150, 2019459, 2589050, 2692612, 3106860, 3365765, 3810300, 3883575, 4038918, 5178100, 6731530, 7767150, 8077836, 10097295, 13463060, 15534300, 16828825, 20194590, 33657650, 40389180, 50486475, 67315300, 100972950, 201945900]

約数ペア:

[(1, 201945900), (2, 100972950), (3, 67315300), (4, 50486475), (5, 40389180), (6, 33657650), (10, 20194590), (12, 16828825), (13, 15534300), (15, 13463060), (20, 10097295), (25, 8077836), (26, 7767150), (30, 6731530), (39, 5178100), (50, 4038918), (52, 3883575), (53, 3810300), (60, 3365765), (65, 3106860), (75, 2692612), (78, 2589050), (100, 2019459), (106, 1905150), (130, 1553430), (150, 1346306), (156, 1294525), (159, 1270100), (195, 1035620), (212, 952575), (260, 776715), (265, 762060), (300, 673153), (318, 635050), (325, 621372), (390, 517810), (530, 381030), (636, 317525), (650, 310686), (689, 293100), (780, 258905), (795, 254020), (975, 207124), (977, 206700), (1060, 190515), (1300, 155343), (1325, 152412), (1378, 146550), (1590, 127010), (1950, 103562), (1954, 103350), (2067, 97700), (2650, 76206), (2756, 73275), (2931, 68900), (3180, 63505), (3445, 58620), (3900, 51781), (3908, 51675), (3975, 50804), (4134, 48850), (4885, 41340), (5300, 38103), (5862, 34450), (6890, 29310), (7950, 25402), (8268, 24425), (9770, 20670), (10335, 19540), (11724, 17225), (12701, 15900), (13780, 14655)]