308796520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 707797440

約数和(自身を除く): 399000920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 281, 331, 332, 415, 562, 662, 664, 830, 1124, 1324, 1405, 1655, 1660, 2248, 2648, 2810, 3310, 3320, 5620, 6620, 11240, 13240, 23323, 27473, 46646, 54946, 93011, 93292, 109892, 116615, 137365, 186022, 186584, 219784, 233230, 274730, 372044, 465055, 466460, 549460, 744088, 930110, 932920, 1098920, 1860220, 3720440, 7719913, 15439826, 30879652, 38599565, 61759304, 77199130, 154398260, 308796520]

約数ペア:

[(1, 308796520), (2, 154398260), (4, 77199130), (5, 61759304), (8, 38599565), (10, 30879652), (20, 15439826), (40, 7719913), (83, 3720440), (166, 1860220), (281, 1098920), (331, 932920), (332, 930110), (415, 744088), (562, 549460), (662, 466460), (664, 465055), (830, 372044), (1124, 274730), (1324, 233230), (1405, 219784), (1655, 186584), (1660, 186022), (2248, 137365), (2648, 116615), (2810, 109892), (3310, 93292), (3320, 93011), (5620, 54946), (6620, 46646), (11240, 27473), (13240, 23323)]