389984170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{3457}}^1$

素因数の和:3882

約数の個数: 32

約数和(自身を含む): 728254800

約数和(自身を除く): 338270630

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 389, 778, 1945, 3457, 3890, 6914, 11281, 17285, 22562, 34570, 56405, 100253, 112810, 200506, 501265, 1002530, 1344773, 2689546, 6723865, 13447730, 38998417, 77996834, 194992085, 389984170]

約数ペア:

[(1, 389984170), (2, 194992085), (5, 77996834), (10, 38998417), (29, 13447730), (58, 6723865), (145, 2689546), (290, 1344773), (389, 1002530), (778, 501265), (1945, 200506), (3457, 112810), (3890, 100253), (6914, 56405), (11281, 34570), (17285, 22562)]