399502210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 780088320

約数和(自身を除く): 380586110

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 151, 158, 170, 197, 302, 394, 395, 755, 790, 985, 1343, 1510, 1970, 2567, 2686, 3349, 5134, 6698, 6715, 11929, 12835, 13430, 15563, 16745, 23858, 25670, 29747, 31126, 33490, 59494, 59645, 77815, 119290, 148735, 155630, 202793, 264571, 297470, 405586, 505699, 529142, 1011398, 1013965, 1322855, 2027930, 2350013, 2528495, 2645710, 4700026, 5056990, 11750065, 23500130, 39950221, 79900442, 199751105, 399502210]

約数ペア:

[(1, 399502210), (2, 199751105), (5, 79900442), (10, 39950221), (17, 23500130), (34, 11750065), (79, 5056990), (85, 4700026), (151, 2645710), (158, 2528495), (170, 2350013), (197, 2027930), (302, 1322855), (394, 1013965), (395, 1011398), (755, 529142), (790, 505699), (985, 405586), (1343, 297470), (1510, 264571), (1970, 202793), (2567, 155630), (2686, 148735), (3349, 119290), (5134, 77815), (6698, 59645), (6715, 59494), (11929, 33490), (12835, 31126), (13430, 29747), (15563, 25670), (16745, 23858)]