728666180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 1739162880

約数和(自身を除く): 1010496700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 181, 220, 290, 319, 362, 580, 631, 638, 724, 905, 1262, 1276, 1595, 1810, 1991, 2524, 3155, 3190, 3620, 3982, 5249, 6310, 6380, 6941, 7964, 9955, 10498, 12620, 13882, 18299, 19910, 20996, 26245, 27764, 34705, 36598, 39820, 52490, 57739, 69410, 73196, 91495, 104980, 114211, 115478, 138820, 182990, 201289, 228422, 230956, 288695, 365980, 402578, 456844, 571055, 577390, 805156, 1006445, 1142110, 1154780, 1256321, 2012890, 2284220, 2512642, 3312119, 4025780, 5025284, 6281605, 6624238, 12563210, 13248476, 16560595, 25126420, 33121190, 36433309, 66242380, 72866618, 145733236, 182166545, 364333090, 728666180]

約数ペア:

[(1, 728666180), (2, 364333090), (4, 182166545), (5, 145733236), (10, 72866618), (11, 66242380), (20, 36433309), (22, 33121190), (29, 25126420), (44, 16560595), (55, 13248476), (58, 12563210), (110, 6624238), (116, 6281605), (145, 5025284), (181, 4025780), (220, 3312119), (290, 2512642), (319, 2284220), (362, 2012890), (580, 1256321), (631, 1154780), (638, 1142110), (724, 1006445), (905, 805156), (1262, 577390), (1276, 571055), (1595, 456844), (1810, 402578), (1991, 365980), (2524, 288695), (3155, 230956), (3190, 228422), (3620, 201289), (3982, 182990), (5249, 138820), (6310, 115478), (6380, 114211), (6941, 104980), (7964, 91495), (9955, 73196), (10498, 69410), (12620, 57739), (13882, 52490), (18299, 39820), (19910, 36598), (20996, 34705), (26245, 27764)]