84709480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 195858000

約数和(自身を除く): 111148520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 233, 244, 298, 305, 466, 488, 596, 610, 745, 932, 1165, 1192, 1220, 1490, 1864, 2330, 2440, 2980, 4660, 5960, 9089, 9320, 14213, 18178, 28426, 34717, 36356, 45445, 56852, 69434, 71065, 72712, 90890, 113704, 138868, 142130, 173585, 181780, 277736, 284260, 347170, 363560, 568520, 694340, 1388680, 2117737, 4235474, 8470948, 10588685, 16941896, 21177370, 42354740, 84709480]

約数ペア:

[(1, 84709480), (2, 42354740), (4, 21177370), (5, 16941896), (8, 10588685), (10, 8470948), (20, 4235474), (40, 2117737), (61, 1388680), (122, 694340), (149, 568520), (233, 363560), (244, 347170), (298, 284260), (305, 277736), (466, 181780), (488, 173585), (596, 142130), (610, 138868), (745, 113704), (932, 90890), (1165, 72712), (1192, 71065), (1220, 69434), (1490, 56852), (1864, 45445), (2330, 36356), (2440, 34717), (2980, 28426), (4660, 18178), (5960, 14213), (9089, 9320)]