244785920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 108

約数和(自身を含む): 608907600

約数和(自身を除く): 364121680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 199, 248, 256, 310, 320, 398, 496, 620, 640, 796, 961, 992, 995, 1240, 1280, 1592, 1922, 1984, 1990, 2480, 3184, 3844, 3968, 3980, 4805, 4960, 6169, 6368, 7688, 7936, 7960, 9610, 9920, 12338, 12736, 15376, 15920, 19220, 19840, 24676, 25472, 30752, 30845, 31840, 38440, 39680, 49352, 50944, 61504, 61690, 63680, 76880, 98704, 123008, 123380, 127360, 153760, 191239, 197408, 246016, 246760, 254720, 307520, 382478, 394816, 493520, 615040, 764956, 789632, 956195, 987040, 1230080, 1529912, 1579264, 1912390, 1974080, 3059824, 3824780, 3948160, 6119648, 7649560, 7896320, 12239296, 15299120, 24478592, 30598240, 48957184, 61196480, 122392960, 244785920]

約数ペア:

[(1, 244785920), (2, 122392960), (4, 61196480), (5, 48957184), (8, 30598240), (10, 24478592), (16, 15299120), (20, 12239296), (31, 7896320), (32, 7649560), (40, 6119648), (62, 3948160), (64, 3824780), (80, 3059824), (124, 1974080), (128, 1912390), (155, 1579264), (160, 1529912), (199, 1230080), (248, 987040), (256, 956195), (310, 789632), (320, 764956), (398, 615040), (496, 493520), (620, 394816), (640, 382478), (796, 307520), (961, 254720), (992, 246760), (995, 246016), (1240, 197408), (1280, 191239), (1592, 153760), (1922, 127360), (1984, 123380), (1990, 123008), (2480, 98704), (3184, 76880), (3844, 63680), (3968, 61690), (3980, 61504), (4805, 50944), (4960, 49352), (6169, 39680), (6368, 38440), (7688, 31840), (7936, 30845), (7960, 30752), (9610, 25472), (9920, 24676), (12338, 19840), (12736, 19220), (15376, 15920)]