974452280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1367}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 2233889280

約数和(自身を除く): 1259437000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 284, 355, 502, 568, 710, 1004, 1255, 1367, 1420, 2008, 2510, 2734, 2840, 5020, 5468, 6835, 10040, 10936, 13670, 17821, 27340, 35642, 54680, 71284, 89105, 97057, 142568, 178210, 194114, 343117, 356420, 388228, 485285, 686234, 712840, 776456, 970570, 1372468, 1715585, 1941140, 2744936, 3431170, 3882280, 6862340, 13724680, 24361307, 48722614, 97445228, 121806535, 194890456, 243613070, 487226140, 974452280]

約数ペア:

[(1, 974452280), (2, 487226140), (4, 243613070), (5, 194890456), (8, 121806535), (10, 97445228), (20, 48722614), (40, 24361307), (71, 13724680), (142, 6862340), (251, 3882280), (284, 3431170), (355, 2744936), (502, 1941140), (568, 1715585), (710, 1372468), (1004, 970570), (1255, 776456), (1367, 712840), (1420, 686234), (2008, 485285), (2510, 388228), (2734, 356420), (2840, 343117), (5020, 194114), (5468, 178210), (6835, 142568), (10040, 97057), (10936, 89105), (13670, 71284), (17821, 54680), (27340, 35642)]