819993910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{2269}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 1500379200

約数和(自身を除く): 680385290

約数列:

[1, 2, 5, 10, 71, 142, 355, 509, 710, 1018, 2269, 2545, 4538, 5090, 11345, 22690, 36139, 72278, 161099, 180695, 322198, 361390, 805495, 1154921, 1610990, 2309842, 5774605, 11549210, 81999391, 163998782, 409996955, 819993910]

約数ペア:

[(1, 819993910), (2, 409996955), (5, 163998782), (10, 81999391), (71, 11549210), (142, 5774605), (355, 2309842), (509, 1610990), (710, 1154921), (1018, 805495), (2269, 361390), (2545, 322198), (4538, 180695), (5090, 161099), (11345, 72278), (22690, 36139)]