398281380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 1324270080

約数和(自身を除く): 925988700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 101, 105, 123, 140, 164, 202, 205, 210, 229, 246, 287, 303, 404, 410, 420, 458, 492, 505, 574, 606, 615, 687, 707, 820, 861, 916, 1010, 1145, 1148, 1212, 1230, 1374, 1414, 1435, 1515, 1603, 1722, 2020, 2121, 2290, 2460, 2748, 2828, 2870, 3030, 3206, 3435, 3444, 3535, 4141, 4242, 4305, 4580, 4809, 5740, 6060, 6412, 6870, 7070, 8015, 8282, 8484, 8610, 9389, 9618, 10605, 12423, 13740, 14140, 16030, 16564, 17220, 18778, 19236, 20705, 21210, 23129, 24045, 24846, 28167, 28987, 32060, 37556, 41410, 42420, 46258, 46945, 48090, 49692, 56334, 57974, 62115, 65723, 69387, 82820, 86961, 92516, 93890, 96180, 112668, 115645, 115948, 124230, 131446, 138774, 140835, 144935, 161903, 173922, 187780, 197169, 231290, 248460, 262892, 277548, 281670, 289870, 323806, 328615, 346935, 347844, 394338, 434805, 462580, 485709, 563340, 579740, 647612, 657230, 693870, 788676, 809515, 869610, 948289, 971418, 985845, 1314460, 1387740, 1619030, 1739220, 1896578, 1942836, 1971690, 2428545, 2844867, 3238060, 3793156, 3943380, 4741445, 4857090, 5689734, 6638023, 9482890, 9714180, 11379468, 13276046, 14224335, 18965780, 19914069, 26552092, 28448670, 33190115, 39828138, 56897340, 66380230, 79656276, 99570345, 132760460, 199140690, 398281380]

約数ペア:

[(1, 398281380), (2, 199140690), (3, 132760460), (4, 99570345), (5, 79656276), (6, 66380230), (7, 56897340), (10, 39828138), (12, 33190115), (14, 28448670), (15, 26552092), (20, 19914069), (21, 18965780), (28, 14224335), (30, 13276046), (35, 11379468), (41, 9714180), (42, 9482890), (60, 6638023), (70, 5689734), (82, 4857090), (84, 4741445), (101, 3943380), (105, 3793156), (123, 3238060), (140, 2844867), (164, 2428545), (202, 1971690), (205, 1942836), (210, 1896578), (229, 1739220), (246, 1619030), (287, 1387740), (303, 1314460), (404, 985845), (410, 971418), (420, 948289), (458, 869610), (492, 809515), (505, 788676), (574, 693870), (606, 657230), (615, 647612), (687, 579740), (707, 563340), (820, 485709), (861, 462580), (916, 434805), (1010, 394338), (1145, 347844), (1148, 346935), (1212, 328615), (1230, 323806), (1374, 289870), (1414, 281670), (1435, 277548), (1515, 262892), (1603, 248460), (1722, 231290), (2020, 197169), (2121, 187780), (2290, 173922), (2460, 161903), (2748, 144935), (2828, 140835), (2870, 138774), (3030, 131446), (3206, 124230), (3435, 115948), (3444, 115645), (3535, 112668), (4141, 96180), (4242, 93890), (4305, 92516), (4580, 86961), (4809, 82820), (5740, 69387), (6060, 65723), (6412, 62115), (6870, 57974), (7070, 56334), (8015, 49692), (8282, 48090), (8484, 46945), (8610, 46258), (9389, 42420), (9618, 41410), (10605, 37556), (12423, 32060), (13740, 28987), (14140, 28167), (16030, 24846), (16564, 24045), (17220, 23129), (18778, 21210), (19236, 20705)]