634972280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 1454500800

約数和(自身を除く): 819528520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 173, 178, 346, 356, 445, 692, 712, 865, 890, 1031, 1384, 1730, 1780, 2062, 3460, 3560, 4124, 5155, 6920, 8248, 10310, 15397, 20620, 30794, 41240, 61588, 76985, 91759, 123176, 153970, 178363, 183518, 307940, 356726, 367036, 458795, 615880, 713452, 734072, 891815, 917590, 1426904, 1783630, 1835180, 3567260, 3670360, 7134520, 15874307, 31748614, 63497228, 79371535, 126994456, 158743070, 317486140, 634972280]

約数ペア:

[(1, 634972280), (2, 317486140), (4, 158743070), (5, 126994456), (8, 79371535), (10, 63497228), (20, 31748614), (40, 15874307), (89, 7134520), (173, 3670360), (178, 3567260), (346, 1835180), (356, 1783630), (445, 1426904), (692, 917590), (712, 891815), (865, 734072), (890, 713452), (1031, 615880), (1384, 458795), (1730, 367036), (1780, 356726), (2062, 307940), (3460, 183518), (3560, 178363), (4124, 153970), (5155, 123176), (6920, 91759), (8248, 76985), (10310, 61588), (15397, 41240), (20620, 30794)]