257494770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7589}}^1$

素因数の和:7644

約数の個数: 96

約数和(自身を含む): 745945200

約数和(自身を除く): 488450430

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 754, 870, 1131, 1170, 1305, 1885, 2262, 2610, 3393, 3770, 5655, 6786, 7589, 11310, 15178, 16965, 22767, 33930, 37945, 45534, 68301, 75890, 98657, 113835, 136602, 197314, 220081, 227670, 295971, 341505, 440162, 493285, 591942, 660243, 683010, 887913, 986570, 1100405, 1320486, 1479855, 1775826, 1980729, 2200810, 2861053, 2959710, 3301215, 3961458, 4439565, 5722106, 6602430, 8583159, 8879130, 9903645, 14305265, 17166318, 19807290, 25749477, 28610530, 42915795, 51498954, 85831590, 128747385, 257494770]

約数ペア:

[(1, 257494770), (2, 128747385), (3, 85831590), (5, 51498954), (6, 42915795), (9, 28610530), (10, 25749477), (13, 19807290), (15, 17166318), (18, 14305265), (26, 9903645), (29, 8879130), (30, 8583159), (39, 6602430), (45, 5722106), (58, 4439565), (65, 3961458), (78, 3301215), (87, 2959710), (90, 2861053), (117, 2200810), (130, 1980729), (145, 1775826), (174, 1479855), (195, 1320486), (234, 1100405), (261, 986570), (290, 887913), (377, 683010), (390, 660243), (435, 591942), (522, 493285), (585, 440162), (754, 341505), (870, 295971), (1131, 227670), (1170, 220081), (1305, 197314), (1885, 136602), (2262, 113835), (2610, 98657), (3393, 75890), (3770, 68301), (5655, 45534), (6786, 37945), (7589, 33930), (11310, 22767), (15178, 16965)]