197521380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2657}}^1$

素因数の和:2738

約数の個数: 144

約数和(自身を含む): 696608640

約数和(自身を除く): 499087260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2478, 2655, 2657, 3540, 3717, 4130, 4956, 5310, 5314, 6195, 7434, 7971, 8260, 10620, 10628, 12390, 13285, 14868, 15942, 18585, 18599, 23913, 24780, 26570, 31884, 37170, 37198, 39855, 47826, 53140, 55797, 74340, 74396, 79710, 92995, 95652, 111594, 119565, 156763, 159420, 167391, 185990, 223188, 239130, 278985, 313526, 334782, 371980, 470289, 478260, 557970, 627052, 669564, 783815, 836955, 940578, 1097341, 1115940, 1410867, 1567630, 1673910, 1881156, 2194682, 2351445, 2821734, 3135260, 3292023, 3347820, 4389364, 4702890, 5486705, 5643468, 6584046, 7054335, 9405780, 9876069, 10973410, 13168092, 14108670, 16460115, 19752138, 21946820, 28217340, 32920230, 39504276, 49380345, 65840460, 98760690, 197521380]

約数ペア:

[(1, 197521380), (2, 98760690), (3, 65840460), (4, 49380345), (5, 39504276), (6, 32920230), (7, 28217340), (9, 21946820), (10, 19752138), (12, 16460115), (14, 14108670), (15, 13168092), (18, 10973410), (20, 9876069), (21, 9405780), (28, 7054335), (30, 6584046), (35, 5643468), (36, 5486705), (42, 4702890), (45, 4389364), (59, 3347820), (60, 3292023), (63, 3135260), (70, 2821734), (84, 2351445), (90, 2194682), (105, 1881156), (118, 1673910), (126, 1567630), (140, 1410867), (177, 1115940), (180, 1097341), (210, 940578), (236, 836955), (252, 783815), (295, 669564), (315, 627052), (354, 557970), (413, 478260), (420, 470289), (531, 371980), (590, 334782), (630, 313526), (708, 278985), (826, 239130), (885, 223188), (1062, 185990), (1180, 167391), (1239, 159420), (1260, 156763), (1652, 119565), (1770, 111594), (2065, 95652), (2124, 92995), (2478, 79710), (2655, 74396), (2657, 74340), (3540, 55797), (3717, 53140), (4130, 47826), (4956, 39855), (5310, 37198), (5314, 37170), (6195, 31884), (7434, 26570), (7971, 24780), (8260, 23913), (10620, 18599), (10628, 18585), (12390, 15942), (13285, 14868)]