242936440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 559949760

約数和(自身を除く): 317013320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 284, 355, 452, 565, 568, 710, 757, 904, 1130, 1420, 1514, 2260, 2840, 3028, 3785, 4520, 6056, 7570, 8023, 15140, 16046, 30280, 32092, 40115, 53747, 64184, 80230, 85541, 107494, 160460, 171082, 214988, 268735, 320920, 342164, 427705, 429976, 537470, 684328, 855410, 1074940, 1710820, 2149880, 3421640, 6073411, 12146822, 24293644, 30367055, 48587288, 60734110, 121468220, 242936440]

約数ペア:

[(1, 242936440), (2, 121468220), (4, 60734110), (5, 48587288), (8, 30367055), (10, 24293644), (20, 12146822), (40, 6073411), (71, 3421640), (113, 2149880), (142, 1710820), (226, 1074940), (284, 855410), (355, 684328), (452, 537470), (565, 429976), (568, 427705), (710, 342164), (757, 320920), (904, 268735), (1130, 214988), (1420, 171082), (1514, 160460), (2260, 107494), (2840, 85541), (3028, 80230), (3785, 64184), (4520, 53747), (6056, 40115), (7570, 32092), (8023, 30280), (15140, 16046)]