2258889140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{3967}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 4823691264

約数和(自身を除く): 2564802124

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 401, 710, 802, 1420, 1604, 2005, 3967, 4010, 7934, 8020, 15868, 19835, 28471, 39670, 56942, 79340, 113884, 142355, 281657, 284710, 563314, 569420, 1126628, 1408285, 1590767, 2816570, 3181534, 5633140, 6363068, 7953835, 15907670, 31815340, 112944457, 225888914, 451777828, 564722285, 1129444570, 2258889140]

約数ペア:

[(1, 2258889140), (2, 1129444570), (4, 564722285), (5, 451777828), (10, 225888914), (20, 112944457), (71, 31815340), (142, 15907670), (284, 7953835), (355, 6363068), (401, 5633140), (710, 3181534), (802, 2816570), (1420, 1590767), (1604, 1408285), (2005, 1126628), (3967, 569420), (4010, 563314), (7934, 284710), (8020, 281657), (15868, 142355), (19835, 113884), (28471, 79340), (39670, 56942)]