331075550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 689018400

約数和(自身を除く): 357942850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 59, 65, 89, 97, 118, 130, 178, 194, 295, 325, 445, 485, 590, 650, 767, 890, 970, 1157, 1261, 1475, 1534, 2225, 2314, 2425, 2522, 2950, 3835, 4450, 4850, 5251, 5723, 5785, 6305, 7670, 8633, 10502, 11446, 11570, 12610, 17266, 19175, 26255, 28615, 28925, 31525, 38350, 43165, 52510, 57230, 57850, 63050, 68263, 74399, 86330, 112229, 131275, 136526, 143075, 148798, 215825, 224458, 262550, 286150, 341315, 371995, 431650, 509347, 561145, 682630, 743990, 1018694, 1122290, 1706575, 1859975, 2546735, 2805725, 3413150, 3719950, 5093470, 5611450, 6621511, 12733675, 13243022, 25467350, 33107555, 66215110, 165537775, 331075550]

約数ペア:

[(1, 331075550), (2, 165537775), (5, 66215110), (10, 33107555), (13, 25467350), (25, 13243022), (26, 12733675), (50, 6621511), (59, 5611450), (65, 5093470), (89, 3719950), (97, 3413150), (118, 2805725), (130, 2546735), (178, 1859975), (194, 1706575), (295, 1122290), (325, 1018694), (445, 743990), (485, 682630), (590, 561145), (650, 509347), (767, 431650), (890, 371995), (970, 341315), (1157, 286150), (1261, 262550), (1475, 224458), (1534, 215825), (2225, 148798), (2314, 143075), (2425, 136526), (2522, 131275), (2950, 112229), (3835, 86330), (4450, 74399), (4850, 68263), (5251, 63050), (5723, 57850), (5785, 57230), (6305, 52510), (7670, 43165), (8633, 38350), (10502, 31525), (11446, 28925), (11570, 28615), (12610, 26255), (17266, 19175)]