889331340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{644443}}^1$

素因数の和:644478

約数の個数: 48

約数和(自身を含む): 2598398208

約数和(自身を除く): 1709066868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 644443, 1288886, 1933329, 2577772, 3222215, 3866658, 6444430, 7733316, 9666645, 12888860, 14822189, 19333290, 29644378, 38666580, 44466567, 59288756, 74110945, 88933134, 148221890, 177866268, 222332835, 296443780, 444665670, 889331340]

約数ペア:

[(1, 889331340), (2, 444665670), (3, 296443780), (4, 222332835), (5, 177866268), (6, 148221890), (10, 88933134), (12, 74110945), (15, 59288756), (20, 44466567), (23, 38666580), (30, 29644378), (46, 19333290), (60, 14822189), (69, 12888860), (92, 9666645), (115, 7733316), (138, 6444430), (230, 3866658), (276, 3222215), (345, 2577772), (460, 1933329), (690, 1288886), (1380, 644443)]