78778700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 229818624

約数和(自身を除く): 151039924

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 455, 550, 572, 650, 700, 715, 770, 787, 910, 1001, 1100, 1300, 1430, 1540, 1574, 1820, 1925, 2002, 2275, 2860, 3148, 3575, 3850, 3935, 4004, 4550, 5005, 5509, 7150, 7700, 7870, 8657, 9100, 10010, 10231, 11018, 14300, 15740, 17314, 19675, 20020, 20462, 22036, 25025, 27545, 34628, 39350, 40924, 43285, 50050, 51155, 55090, 60599, 71617, 78700, 86570, 100100, 102310, 110180, 112541, 121198, 137725, 143234, 173140, 204620, 216425, 225082, 242396, 255775, 275450, 286468, 302995, 358085, 432850, 450164, 511550, 550900, 562705, 605990, 716170, 787787, 865700, 1023100, 1125410, 1211980, 1432340, 1514975, 1575574, 1790425, 2250820, 2813525, 3029950, 3151148, 3580850, 3938935, 5627050, 6059900, 7161700, 7877870, 11254100, 15755740, 19694675, 39389350, 78778700]

約数ペア:

[(1, 78778700), (2, 39389350), (4, 19694675), (5, 15755740), (7, 11254100), (10, 7877870), (11, 7161700), (13, 6059900), (14, 5627050), (20, 3938935), (22, 3580850), (25, 3151148), (26, 3029950), (28, 2813525), (35, 2250820), (44, 1790425), (50, 1575574), (52, 1514975), (55, 1432340), (65, 1211980), (70, 1125410), (77, 1023100), (91, 865700), (100, 787787), (110, 716170), (130, 605990), (140, 562705), (143, 550900), (154, 511550), (175, 450164), (182, 432850), (220, 358085), (260, 302995), (275, 286468), (286, 275450), (308, 255775), (325, 242396), (350, 225082), (364, 216425), (385, 204620), (455, 173140), (550, 143234), (572, 137725), (650, 121198), (700, 112541), (715, 110180), (770, 102310), (787, 100100), (910, 86570), (1001, 78700), (1100, 71617), (1300, 60599), (1430, 55090), (1540, 51155), (1574, 50050), (1820, 43285), (1925, 40924), (2002, 39350), (2275, 34628), (2860, 27545), (3148, 25025), (3575, 22036), (3850, 20462), (3935, 20020), (4004, 19675), (4550, 17314), (5005, 15740), (5509, 14300), (7150, 11018), (7700, 10231), (7870, 10010), (8657, 9100)]