196993420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 460531008

約数和(自身を除く): 263537588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 97, 107, 130, 146, 194, 214, 260, 292, 365, 388, 428, 485, 535, 730, 949, 970, 1070, 1261, 1391, 1460, 1898, 1940, 2140, 2522, 2782, 3796, 4745, 5044, 5564, 6305, 6955, 7081, 7811, 9490, 10379, 12610, 13910, 14162, 15622, 18980, 20758, 25220, 27820, 28324, 31244, 35405, 39055, 41516, 51895, 70810, 78110, 92053, 101543, 103790, 134927, 141620, 156220, 184106, 203086, 207580, 269854, 368212, 406172, 460265, 507715, 539708, 674635, 757667, 920530, 1015430, 1349270, 1515334, 1841060, 2030860, 2698540, 3030668, 3788335, 7576670, 9849671, 15153340, 19699342, 39398684, 49248355, 98496710, 196993420]

約数ペア:

[(1, 196993420), (2, 98496710), (4, 49248355), (5, 39398684), (10, 19699342), (13, 15153340), (20, 9849671), (26, 7576670), (52, 3788335), (65, 3030668), (73, 2698540), (97, 2030860), (107, 1841060), (130, 1515334), (146, 1349270), (194, 1015430), (214, 920530), (260, 757667), (292, 674635), (365, 539708), (388, 507715), (428, 460265), (485, 406172), (535, 368212), (730, 269854), (949, 207580), (970, 203086), (1070, 184106), (1261, 156220), (1391, 141620), (1460, 134927), (1898, 103790), (1940, 101543), (2140, 92053), (2522, 78110), (2782, 70810), (3796, 51895), (4745, 41516), (5044, 39055), (5564, 35405), (6305, 31244), (6955, 28324), (7081, 27820), (7811, 25220), (9490, 20758), (10379, 18980), (12610, 15622), (13910, 14162)]