202490740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 460934712

約数和(自身を除く): 258443972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 289, 340, 530, 578, 661, 901, 1060, 1156, 1322, 1445, 1802, 2644, 2890, 3305, 3604, 4505, 5780, 6610, 9010, 11237, 13220, 15317, 18020, 22474, 30634, 35033, 44948, 56185, 61268, 70066, 76585, 112370, 140132, 153170, 175165, 191029, 224740, 306340, 350330, 382058, 595561, 700660, 764116, 955145, 1191122, 1910290, 2382244, 2977805, 3820580, 5955610, 10124537, 11911220, 20249074, 40498148, 50622685, 101245370, 202490740]

約数ペア:

[(1, 202490740), (2, 101245370), (4, 50622685), (5, 40498148), (10, 20249074), (17, 11911220), (20, 10124537), (34, 5955610), (53, 3820580), (68, 2977805), (85, 2382244), (106, 1910290), (170, 1191122), (212, 955145), (265, 764116), (289, 700660), (340, 595561), (530, 382058), (578, 350330), (661, 306340), (901, 224740), (1060, 191029), (1156, 175165), (1322, 153170), (1445, 140132), (1802, 112370), (2644, 76585), (2890, 70066), (3305, 61268), (3604, 56185), (4505, 44948), (5780, 35033), (6610, 30634), (9010, 22474), (11237, 18020), (13220, 15317)]