397790280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 1334361600

約数和(自身を除く): 936571320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 79, 90, 120, 142, 158, 180, 197, 213, 237, 284, 316, 355, 360, 394, 395, 426, 474, 568, 591, 632, 639, 710, 711, 788, 790, 852, 948, 985, 1065, 1182, 1185, 1278, 1420, 1422, 1576, 1580, 1704, 1773, 1896, 1970, 2130, 2364, 2370, 2556, 2840, 2844, 2955, 3160, 3195, 3546, 3555, 3940, 4260, 4728, 4740, 5112, 5609, 5688, 5910, 6390, 7092, 7110, 7880, 8520, 8865, 9480, 11218, 11820, 12780, 13987, 14184, 14220, 15563, 16827, 17730, 22436, 23640, 25560, 27974, 28045, 28440, 31126, 33654, 35460, 41961, 44872, 46689, 50481, 55948, 56090, 62252, 67308, 69935, 70920, 77815, 83922, 84135, 93378, 100962, 111896, 112180, 124504, 125883, 134616, 139870, 140067, 155630, 167844, 168270, 186756, 201924, 209805, 224360, 233445, 251766, 252405, 279740, 280134, 311260, 335688, 336540, 373512, 403848, 419610, 466890, 503532, 504810, 559480, 560268, 622520, 629415, 673080, 700335, 839220, 933780, 1007064, 1009620, 1104973, 1120536, 1258830, 1400670, 1678440, 1867560, 2019240, 2209946, 2517660, 2801340, 3314919, 4419892, 5035320, 5524865, 5602680, 6629838, 8839784, 9944757, 11049730, 13259676, 16574595, 19889514, 22099460, 26519352, 33149190, 39779028, 44198920, 49723785, 66298380, 79558056, 99447570, 132596760, 198895140, 397790280]

約数ペア:

[(1, 397790280), (2, 198895140), (3, 132596760), (4, 99447570), (5, 79558056), (6, 66298380), (8, 49723785), (9, 44198920), (10, 39779028), (12, 33149190), (15, 26519352), (18, 22099460), (20, 19889514), (24, 16574595), (30, 13259676), (36, 11049730), (40, 9944757), (45, 8839784), (60, 6629838), (71, 5602680), (72, 5524865), (79, 5035320), (90, 4419892), (120, 3314919), (142, 2801340), (158, 2517660), (180, 2209946), (197, 2019240), (213, 1867560), (237, 1678440), (284, 1400670), (316, 1258830), (355, 1120536), (360, 1104973), (394, 1009620), (395, 1007064), (426, 933780), (474, 839220), (568, 700335), (591, 673080), (632, 629415), (639, 622520), (710, 560268), (711, 559480), (788, 504810), (790, 503532), (852, 466890), (948, 419610), (985, 403848), (1065, 373512), (1182, 336540), (1185, 335688), (1278, 311260), (1420, 280134), (1422, 279740), (1576, 252405), (1580, 251766), (1704, 233445), (1773, 224360), (1896, 209805), (1970, 201924), (2130, 186756), (2364, 168270), (2370, 167844), (2556, 155630), (2840, 140067), (2844, 139870), (2955, 134616), (3160, 125883), (3195, 124504), (3546, 112180), (3555, 111896), (3940, 100962), (4260, 93378), (4728, 84135), (4740, 83922), (5112, 77815), (5609, 70920), (5688, 69935), (5910, 67308), (6390, 62252), (7092, 56090), (7110, 55948), (7880, 50481), (8520, 46689), (8865, 44872), (9480, 41961), (11218, 35460), (11820, 33654), (12780, 31126), (13987, 28440), (14184, 28045), (14220, 27974), (15563, 25560), (16827, 23640), (17730, 22436)]