219915930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563887}}^1$

素因数の和:563910

約数の個数: 32

約数和(自身を含む): 568399104

約数和(自身を除く): 348483174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 563887, 1127774, 1691661, 2819435, 3383322, 5638870, 7330531, 8458305, 14661062, 16916610, 21991593, 36652655, 43983186, 73305310, 109957965, 219915930]

約数ペア:

[(1, 219915930), (2, 109957965), (3, 73305310), (5, 43983186), (6, 36652655), (10, 21991593), (13, 16916610), (15, 14661062), (26, 8458305), (30, 7330531), (39, 5638870), (65, 3383322), (78, 2819435), (130, 1691661), (195, 1127774), (390, 563887)]