290445820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66923}}^1$

素因数の和:66970

約数の個数: 48

約数和(自身を含む): 719566848

約数和(自身を除く): 429121028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 66923, 133846, 267692, 334615, 468461, 669230, 936922, 1338460, 1873844, 2074613, 2342305, 4149226, 4684610, 8298452, 9369220, 10373065, 14522291, 20746130, 29044582, 41492260, 58089164, 72611455, 145222910, 290445820]

約数ペア:

[(1, 290445820), (2, 145222910), (4, 72611455), (5, 58089164), (7, 41492260), (10, 29044582), (14, 20746130), (20, 14522291), (28, 10373065), (31, 9369220), (35, 8298452), (62, 4684610), (70, 4149226), (124, 2342305), (140, 2074613), (155, 1873844), (217, 1338460), (310, 936922), (434, 669230), (620, 468461), (868, 334615), (1085, 267692), (2170, 133846), (4340, 66923)]