313475540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 770484960

約数和(自身を除く): 457009420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 895, 980, 1253, 1787, 1790, 2506, 3574, 3580, 5012, 6265, 7148, 8771, 8935, 12509, 12530, 17542, 17870, 25018, 25060, 35084, 35740, 43855, 50036, 62545, 87563, 87710, 125090, 175126, 175420, 250180, 319873, 350252, 437815, 639746, 875630, 1279492, 1599365, 1751260, 2239111, 3198730, 4478222, 6397460, 8956444, 11195555, 15673777, 22391110, 31347554, 44782220, 62695108, 78368885, 156737770, 313475540]

約数ペア:

[(1, 313475540), (2, 156737770), (4, 78368885), (5, 62695108), (7, 44782220), (10, 31347554), (14, 22391110), (20, 15673777), (28, 11195555), (35, 8956444), (49, 6397460), (70, 4478222), (98, 3198730), (140, 2239111), (179, 1751260), (196, 1599365), (245, 1279492), (358, 875630), (490, 639746), (716, 437815), (895, 350252), (980, 319873), (1253, 250180), (1787, 175420), (1790, 175126), (2506, 125090), (3574, 87710), (3580, 87563), (5012, 62545), (6265, 50036), (7148, 43855), (8771, 35740), (8935, 35084), (12509, 25060), (12530, 25018), (17542, 17870)]