627124540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{9013}}^1$

素因数の和:9107

約数の個数: 72

約数和(自身を含む): 1553725152

約数和(自身を除く): 926600612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9013, 9940, 13916, 17395, 18026, 34790, 36052, 45065, 63091, 69580, 90130, 126182, 180260, 252364, 315455, 441637, 630910, 639923, 883274, 1261820, 1279846, 1766548, 2208185, 2559692, 3199615, 4416370, 4479461, 6399230, 8832740, 8958922, 12798460, 17917844, 22397305, 31356227, 44794610, 62712454, 89589220, 125424908, 156781135, 313562270, 627124540]

約数ペア:

[(1, 627124540), (2, 313562270), (4, 156781135), (5, 125424908), (7, 89589220), (10, 62712454), (14, 44794610), (20, 31356227), (28, 22397305), (35, 17917844), (49, 12798460), (70, 8958922), (71, 8832740), (98, 6399230), (140, 4479461), (142, 4416370), (196, 3199615), (245, 2559692), (284, 2208185), (355, 1766548), (490, 1279846), (497, 1261820), (710, 883274), (980, 639923), (994, 630910), (1420, 441637), (1988, 315455), (2485, 252364), (3479, 180260), (4970, 126182), (6958, 90130), (9013, 69580), (9940, 63091), (13916, 45065), (17395, 36052), (18026, 34790)]