396997980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{29671}}^1$

素因数の和:29906

約数の個数: 48

約数和(自身を含む): 1116616704

約数和(自身を除く): 719618724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2230, 2676, 3345, 4460, 6690, 13380, 29671, 59342, 89013, 118684, 148355, 178026, 296710, 356052, 445065, 593420, 890130, 1780260, 6616633, 13233266, 19849899, 26466532, 33083165, 39699798, 66166330, 79399596, 99249495, 132332660, 198498990, 396997980]

約数ペア:

[(1, 396997980), (2, 198498990), (3, 132332660), (4, 99249495), (5, 79399596), (6, 66166330), (10, 39699798), (12, 33083165), (15, 26466532), (20, 19849899), (30, 13233266), (60, 6616633), (223, 1780260), (446, 890130), (669, 593420), (892, 445065), (1115, 356052), (1338, 296710), (2230, 178026), (2676, 148355), (3345, 118684), (4460, 89013), (6690, 59342), (13380, 29671)]