71971400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 175301280

約数和(自身を除く): 103329880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 67, 82, 100, 131, 134, 164, 200, 205, 262, 268, 328, 335, 410, 524, 536, 655, 670, 820, 1025, 1048, 1310, 1340, 1640, 1675, 2050, 2620, 2680, 2747, 3275, 3350, 4100, 5240, 5371, 5494, 6550, 6700, 8200, 8777, 10742, 10988, 13100, 13400, 13735, 17554, 21484, 21976, 26200, 26855, 27470, 35108, 42968, 43885, 53710, 54940, 68675, 70216, 87770, 107420, 109880, 134275, 137350, 175540, 214840, 219425, 268550, 274700, 351080, 359857, 438850, 537100, 549400, 719714, 877700, 1074200, 1439428, 1755400, 1799285, 2878856, 3598570, 7197140, 8996425, 14394280, 17992850, 35985700, 71971400]

約数ペア:

[(1, 71971400), (2, 35985700), (4, 17992850), (5, 14394280), (8, 8996425), (10, 7197140), (20, 3598570), (25, 2878856), (40, 1799285), (41, 1755400), (50, 1439428), (67, 1074200), (82, 877700), (100, 719714), (131, 549400), (134, 537100), (164, 438850), (200, 359857), (205, 351080), (262, 274700), (268, 268550), (328, 219425), (335, 214840), (410, 175540), (524, 137350), (536, 134275), (655, 109880), (670, 107420), (820, 87770), (1025, 70216), (1048, 68675), (1310, 54940), (1340, 53710), (1640, 43885), (1675, 42968), (2050, 35108), (2620, 27470), (2680, 26855), (2747, 26200), (3275, 21976), (3350, 21484), (4100, 17554), (5240, 13735), (5371, 13400), (5494, 13100), (6550, 10988), (6700, 10742), (8200, 8777)]