638945190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5407}}^1$

素因数の和:5534

約数の個数: 96

約数和(自身を含む): 1807094016

約数和(自身を除く): 1168148826

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 101, 117, 130, 195, 202, 234, 303, 390, 505, 585, 606, 909, 1010, 1170, 1313, 1515, 1818, 2626, 3030, 3939, 4545, 5407, 6565, 7878, 9090, 10814, 11817, 13130, 16221, 19695, 23634, 27035, 32442, 39390, 48663, 54070, 59085, 70291, 81105, 97326, 118170, 140582, 162210, 210873, 243315, 351455, 421746, 486630, 546107, 632619, 702910, 1054365, 1092214, 1265238, 1638321, 2108730, 2730535, 3163095, 3276642, 4914963, 5461070, 6326190, 7099391, 8191605, 9829926, 14198782, 16383210, 21298173, 24574815, 35496955, 42596346, 49149630, 63894519, 70993910, 106490865, 127789038, 212981730, 319472595, 638945190]

約数ペア:

[(1, 638945190), (2, 319472595), (3, 212981730), (5, 127789038), (6, 106490865), (9, 70993910), (10, 63894519), (13, 49149630), (15, 42596346), (18, 35496955), (26, 24574815), (30, 21298173), (39, 16383210), (45, 14198782), (65, 9829926), (78, 8191605), (90, 7099391), (101, 6326190), (117, 5461070), (130, 4914963), (195, 3276642), (202, 3163095), (234, 2730535), (303, 2108730), (390, 1638321), (505, 1265238), (585, 1092214), (606, 1054365), (909, 702910), (1010, 632619), (1170, 546107), (1313, 486630), (1515, 421746), (1818, 351455), (2626, 243315), (3030, 210873), (3939, 162210), (4545, 140582), (5407, 118170), (6565, 97326), (7878, 81105), (9090, 70291), (10814, 59085), (11817, 54070), (13130, 48663), (16221, 39390), (19695, 32442), (23634, 27035)]