349296450520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1\times {\mathrm{2293}}^1$

素因数の和:2933

約数の個数: 128

約数和(自身を含む): 806432760000

約数和(自身を除く): 457136309480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 244, 298, 305, 419, 488, 596, 610, 745, 838, 1192, 1220, 1490, 1676, 2095, 2293, 2440, 2980, 3352, 4190, 4586, 5960, 8380, 9089, 9172, 11465, 16760, 18178, 18344, 22930, 25559, 36356, 45445, 45860, 51118, 62431, 72712, 90890, 91720, 102236, 124862, 127795, 139873, 181780, 204472, 249724, 255590, 279746, 312155, 341657, 363560, 499448, 511180, 559492, 624310, 683314, 699365, 960767, 1022360, 1118984, 1248620, 1366628, 1398730, 1708285, 1921534, 2497240, 2733256, 2797460, 3416570, 3808291, 3843068, 4803835, 5594920, 6833140, 7616582, 7686136, 9607670, 13666280, 15233164, 19041455, 19215340, 20841077, 30466328, 38082910, 38430680, 41682154, 58606787, 76165820, 83364308, 104205385, 117213574, 143154283, 152331640, 166728616, 208410770, 234427148, 286308566, 293033935, 416821540, 468854296, 572617132, 586067870, 715771415, 833643080, 1145234264, 1172135740, 1431542830, 2344271480, 2863085660, 5726171320, 8732411263, 17464822526, 34929645052, 43662056315, 69859290104, 87324112630, 174648225260, 349296450520]

約数ペア:

[(1, 349296450520), (2, 174648225260), (4, 87324112630), (5, 69859290104), (8, 43662056315), (10, 34929645052), (20, 17464822526), (40, 8732411263), (61, 5726171320), (122, 2863085660), (149, 2344271480), (244, 1431542830), (298, 1172135740), (305, 1145234264), (419, 833643080), (488, 715771415), (596, 586067870), (610, 572617132), (745, 468854296), (838, 416821540), (1192, 293033935), (1220, 286308566), (1490, 234427148), (1676, 208410770), (2095, 166728616), (2293, 152331640), (2440, 143154283), (2980, 117213574), (3352, 104205385), (4190, 83364308), (4586, 76165820), (5960, 58606787), (8380, 41682154), (9089, 38430680), (9172, 38082910), (11465, 30466328), (16760, 20841077), (18178, 19215340), (18344, 19041455), (22930, 15233164), (25559, 13666280), (36356, 9607670), (45445, 7686136), (45860, 7616582), (51118, 6833140), (62431, 5594920), (72712, 4803835), (90890, 3843068), (91720, 3808291), (102236, 3416570), (124862, 2797460), (127795, 2733256), (139873, 2497240), (181780, 1921534), (204472, 1708285), (249724, 1398730), (255590, 1366628), (279746, 1248620), (312155, 1118984), (341657, 1022360), (363560, 960767), (499448, 699365), (511180, 683314), (559492, 624310)]