98735980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 248976000

約数和(自身を除く): 150240020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 343, 370, 389, 490, 518, 686, 740, 778, 980, 1036, 1295, 1372, 1556, 1715, 1813, 1945, 2590, 2723, 3430, 3626, 3890, 5180, 5446, 6860, 7252, 7780, 9065, 10892, 12691, 13615, 14393, 18130, 19061, 25382, 27230, 28786, 36260, 38122, 50764, 54460, 57572, 63455, 71965, 76244, 95305, 100751, 126910, 133427, 143930, 190610, 201502, 253820, 266854, 287860, 381220, 403004, 503755, 533708, 667135, 705257, 1007510, 1334270, 1410514, 2015020, 2668540, 2821028, 3526285, 4936799, 7052570, 9873598, 14105140, 19747196, 24683995, 49367990, 98735980]

約数ペア:

[(1, 98735980), (2, 49367990), (4, 24683995), (5, 19747196), (7, 14105140), (10, 9873598), (14, 7052570), (20, 4936799), (28, 3526285), (35, 2821028), (37, 2668540), (49, 2015020), (70, 1410514), (74, 1334270), (98, 1007510), (140, 705257), (148, 667135), (185, 533708), (196, 503755), (245, 403004), (259, 381220), (343, 287860), (370, 266854), (389, 253820), (490, 201502), (518, 190610), (686, 143930), (740, 133427), (778, 126910), (980, 100751), (1036, 95305), (1295, 76244), (1372, 71965), (1556, 63455), (1715, 57572), (1813, 54460), (1945, 50764), (2590, 38122), (2723, 36260), (3430, 28786), (3626, 27230), (3890, 25382), (5180, 19061), (5446, 18130), (6860, 14393), (7252, 13615), (7780, 12691), (9065, 10892)]