287789110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4237

約数の個数: 64

約数和(自身を含む): 632282112

約数和(自身を除く): 344493002

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 70, 86, 115, 161, 215, 230, 301, 322, 430, 602, 805, 989, 1505, 1610, 1978, 3010, 4157, 4945, 6923, 8314, 9890, 13846, 20785, 29099, 34615, 41570, 58198, 69230, 95611, 145495, 178751, 191222, 290990, 357502, 478055, 669277, 893755, 956110, 1251257, 1338554, 1787510, 2502514, 3346385, 4111273, 6256285, 6692770, 8222546, 12512570, 20556365, 28778911, 41112730, 57557822, 143894555, 287789110]

約数ペア:

[(1, 287789110), (2, 143894555), (5, 57557822), (7, 41112730), (10, 28778911), (14, 20556365), (23, 12512570), (35, 8222546), (43, 6692770), (46, 6256285), (70, 4111273), (86, 3346385), (115, 2502514), (161, 1787510), (215, 1338554), (230, 1251257), (301, 956110), (322, 893755), (430, 669277), (602, 478055), (805, 357502), (989, 290990), (1505, 191222), (1610, 178751), (1978, 145495), (3010, 95611), (4157, 69230), (4945, 58198), (6923, 41570), (8314, 34615), (9890, 29099), (13846, 20785)]