221400000050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{75269}}^1$

素因数の和:76031

約数の個数: 48

約数和(自身を含む): 417066553800

約数和(自身を除く): 195666553750

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 661, 890, 1322, 2225, 3305, 4450, 6610, 16525, 33050, 58829, 75269, 117658, 150538, 294145, 376345, 588290, 752690, 1470725, 1881725, 2941450, 3763450, 6698941, 13397882, 33494705, 49752809, 66989410, 99505618, 167473525, 248764045, 334947050, 497528090, 1243820225, 2487640450, 4428000001, 8856000002, 22140000005, 44280000010, 110700000025, 221400000050]

約数ペア:

[(1, 221400000050), (2, 110700000025), (5, 44280000010), (10, 22140000005), (25, 8856000002), (50, 4428000001), (89, 2487640450), (178, 1243820225), (445, 497528090), (661, 334947050), (890, 248764045), (1322, 167473525), (2225, 99505618), (3305, 66989410), (4450, 49752809), (6610, 33494705), (16525, 13397882), (33050, 6698941), (58829, 3763450), (75269, 2941450), (117658, 1881725), (150538, 1470725), (294145, 752690), (376345, 588290)]