221314880

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4243}}^1$

素因数の和:4423

約数の個数: 56

約数和(自身を含む): 530364192

約数和(自身を除く): 309049312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 652, 815, 1304, 1630, 2608, 3260, 4243, 5216, 6520, 8486, 10432, 13040, 16972, 21215, 26080, 33944, 42430, 52160, 67888, 84860, 135776, 169720, 271552, 339440, 678880, 691609, 1357760, 1383218, 2766436, 3458045, 5532872, 6916090, 11065744, 13832180, 22131488, 27664360, 44262976, 55328720, 110657440, 221314880]

約数ペア:

[(1, 221314880), (2, 110657440), (4, 55328720), (5, 44262976), (8, 27664360), (10, 22131488), (16, 13832180), (20, 11065744), (32, 6916090), (40, 5532872), (64, 3458045), (80, 2766436), (160, 1383218), (163, 1357760), (320, 691609), (326, 678880), (652, 339440), (815, 271552), (1304, 169720), (1630, 135776), (2608, 84860), (3260, 67888), (4243, 52160), (5216, 42430), (6520, 33944), (8486, 26080), (10432, 21215), (13040, 16972)]