351640250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 713355552

約数和(自身を除く): 361715302

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 257, 325, 421, 514, 650, 842, 1285, 1625, 2105, 2570, 3250, 3341, 4210, 5473, 6425, 6682, 10525, 10946, 12850, 16705, 21050, 27365, 32125, 33410, 52625, 54730, 64250, 83525, 105250, 108197, 136825, 167050, 216394, 273650, 417625, 540985, 684125, 835250, 1081970, 1368250, 1406561, 2704925, 2813122, 5409850, 7032805, 13524625, 14065610, 27049250, 35164025, 70328050, 175820125, 351640250]

約数ペア:

[(1, 351640250), (2, 175820125), (5, 70328050), (10, 35164025), (13, 27049250), (25, 14065610), (26, 13524625), (50, 7032805), (65, 5409850), (125, 2813122), (130, 2704925), (250, 1406561), (257, 1368250), (325, 1081970), (421, 835250), (514, 684125), (650, 540985), (842, 417625), (1285, 273650), (1625, 216394), (2105, 167050), (2570, 136825), (3250, 108197), (3341, 105250), (4210, 83525), (5473, 64250), (6425, 54730), (6682, 52625), (10525, 33410), (10946, 32125), (12850, 27365), (16705, 21050)]