1650002725

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 2461021056

約数和(自身を除く): 811018331

約数列:

[1, 5, 7, 25, 35, 49, 61, 71, 175, 245, 305, 311, 355, 427, 497, 1225, 1525, 1555, 1775, 2135, 2177, 2485, 2989, 3479, 4331, 7775, 10675, 10885, 12425, 14945, 15239, 17395, 18971, 21655, 22081, 30317, 54425, 74725, 76195, 86975, 94855, 108275, 110405, 132797, 151585, 154567, 212219, 380975, 474275, 552025, 663985, 757925, 772835, 929579, 1061095, 1081969, 1346941, 3319925, 3864175, 4647895, 5305475, 5409845, 6734705, 9428587, 23239475, 27049225, 33673525, 47142935, 66000109, 235714675, 330000545, 1650002725]

約数ペア:

[(1, 1650002725), (5, 330000545), (7, 235714675), (25, 66000109), (35, 47142935), (49, 33673525), (61, 27049225), (71, 23239475), (175, 9428587), (245, 6734705), (305, 5409845), (311, 5305475), (355, 4647895), (427, 3864175), (497, 3319925), (1225, 1346941), (1525, 1081969), (1555, 1061095), (1775, 929579), (2135, 772835), (2177, 757925), (2485, 663985), (2989, 552025), (3479, 474275), (4331, 380975), (7775, 212219), (10675, 154567), (10885, 151585), (12425, 132797), (14945, 110405), (15239, 108275), (17395, 94855), (18971, 86975), (21655, 76195), (22081, 74725), (30317, 54425)]