212223520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42787}}^1$

素因数の和:42833

約数の個数: 48

約数和(自身を含む): 517563648

約数和(自身を除く): 305340128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 42787, 85574, 171148, 213935, 342296, 427870, 684592, 855740, 1326397, 1369184, 1711480, 2652794, 3422960, 5305588, 6631985, 6845920, 10611176, 13263970, 21222352, 26527940, 42444704, 53055880, 106111760, 212223520]

約数ペア:

[(1, 212223520), (2, 106111760), (4, 53055880), (5, 42444704), (8, 26527940), (10, 21222352), (16, 13263970), (20, 10611176), (31, 6845920), (32, 6631985), (40, 5305588), (62, 3422960), (80, 2652794), (124, 1711480), (155, 1369184), (160, 1326397), (248, 855740), (310, 684592), (496, 427870), (620, 342296), (992, 213935), (1240, 171148), (2480, 85574), (4960, 42787)]