39490620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 120149568

約数和(自身を除く): 80658948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 257, 260, 390, 394, 514, 591, 771, 780, 788, 985, 1028, 1182, 1285, 1542, 1970, 2364, 2561, 2570, 2955, 3084, 3341, 3855, 3940, 5122, 5140, 5910, 6682, 7683, 7710, 10023, 10244, 11820, 12805, 13364, 15366, 15420, 16705, 20046, 25610, 30732, 33410, 38415, 40092, 50115, 50629, 51220, 66820, 76830, 100230, 101258, 151887, 153660, 200460, 202516, 253145, 303774, 506290, 607548, 658177, 759435, 1012580, 1316354, 1518870, 1974531, 2632708, 3037740, 3290885, 3949062, 6581770, 7898124, 9872655, 13163540, 19745310, 39490620]

約数ペア:

[(1, 39490620), (2, 19745310), (3, 13163540), (4, 9872655), (5, 7898124), (6, 6581770), (10, 3949062), (12, 3290885), (13, 3037740), (15, 2632708), (20, 1974531), (26, 1518870), (30, 1316354), (39, 1012580), (52, 759435), (60, 658177), (65, 607548), (78, 506290), (130, 303774), (156, 253145), (195, 202516), (197, 200460), (257, 153660), (260, 151887), (390, 101258), (394, 100230), (514, 76830), (591, 66820), (771, 51220), (780, 50629), (788, 50115), (985, 40092), (1028, 38415), (1182, 33410), (1285, 30732), (1542, 25610), (1970, 20046), (2364, 16705), (2561, 15420), (2570, 15366), (2955, 13364), (3084, 12805), (3341, 11820), (3855, 10244), (3940, 10023), (5122, 7710), (5140, 7683), (5910, 6682)]