102903440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 247952880

約数和(自身を除く): 145049440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 137, 164, 205, 229, 274, 328, 410, 458, 548, 656, 685, 820, 916, 1096, 1145, 1370, 1640, 1832, 2192, 2290, 2740, 3280, 3664, 4580, 5480, 5617, 9160, 9389, 10960, 11234, 18320, 18778, 22468, 28085, 31373, 37556, 44936, 46945, 56170, 62746, 75112, 89872, 93890, 112340, 125492, 150224, 156865, 187780, 224680, 250984, 313730, 375560, 449360, 501968, 627460, 751120, 1254920, 1286293, 2509840, 2572586, 5145172, 6431465, 10290344, 12862930, 20580688, 25725860, 51451720, 102903440]

約数ペア:

[(1, 102903440), (2, 51451720), (4, 25725860), (5, 20580688), (8, 12862930), (10, 10290344), (16, 6431465), (20, 5145172), (40, 2572586), (41, 2509840), (80, 1286293), (82, 1254920), (137, 751120), (164, 627460), (205, 501968), (229, 449360), (274, 375560), (328, 313730), (410, 250984), (458, 224680), (548, 187780), (656, 156865), (685, 150224), (820, 125492), (916, 112340), (1096, 93890), (1145, 89872), (1370, 75112), (1640, 62746), (1832, 56170), (2192, 46945), (2290, 44936), (2740, 37556), (3280, 31373), (3664, 28085), (4580, 22468), (5480, 18778), (5617, 18320), (9160, 11234), (9389, 10960)]