721705730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101221}}^1$

素因数の和:101282

約数の個数: 32

約数和(自身を含む): 1399292928

約数和(自身を除く): 677587198

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 101221, 202442, 506105, 1012210, 2328083, 3137851, 4656166, 6275702, 11640415, 15689255, 23280830, 31378510, 72170573, 144341146, 360852865, 721705730]

約数ペア:

[(1, 721705730), (2, 360852865), (5, 144341146), (10, 72170573), (23, 31378510), (31, 23280830), (46, 15689255), (62, 11640415), (115, 6275702), (155, 4656166), (230, 3137851), (310, 2328083), (713, 1012210), (1426, 506105), (3565, 202442), (7130, 101221)]