219795380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 579156480

約数和(自身を除く): 359361100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 79, 85, 98, 119, 140, 158, 167, 170, 196, 238, 245, 316, 334, 340, 395, 476, 490, 553, 595, 668, 790, 833, 835, 980, 1106, 1169, 1190, 1343, 1580, 1666, 1670, 2212, 2338, 2380, 2686, 2765, 2839, 3332, 3340, 3871, 4165, 4676, 5372, 5530, 5678, 5845, 6715, 7742, 8183, 8330, 9401, 11060, 11356, 11690, 13193, 13430, 14195, 15484, 16366, 16660, 18802, 19355, 19873, 23380, 26386, 26860, 28390, 32732, 37604, 38710, 39746, 40915, 47005, 52772, 56780, 65807, 65965, 77420, 79492, 81830, 92351, 94010, 99365, 131614, 131930, 139111, 163660, 184702, 188020, 198730, 224281, 263228, 263860, 278222, 329035, 369404, 397460, 448562, 461755, 556444, 646457, 658070, 695555, 897124, 923510, 1121405, 1292914, 1316140, 1391110, 1569967, 1847020, 2242810, 2585828, 2782220, 3139934, 3232285, 4485620, 6279868, 6464570, 7849835, 10989769, 12929140, 15699670, 21979538, 31399340, 43959076, 54948845, 109897690, 219795380]

約数ペア:

[(1, 219795380), (2, 109897690), (4, 54948845), (5, 43959076), (7, 31399340), (10, 21979538), (14, 15699670), (17, 12929140), (20, 10989769), (28, 7849835), (34, 6464570), (35, 6279868), (49, 4485620), (68, 3232285), (70, 3139934), (79, 2782220), (85, 2585828), (98, 2242810), (119, 1847020), (140, 1569967), (158, 1391110), (167, 1316140), (170, 1292914), (196, 1121405), (238, 923510), (245, 897124), (316, 695555), (334, 658070), (340, 646457), (395, 556444), (476, 461755), (490, 448562), (553, 397460), (595, 369404), (668, 329035), (790, 278222), (833, 263860), (835, 263228), (980, 224281), (1106, 198730), (1169, 188020), (1190, 184702), (1343, 163660), (1580, 139111), (1666, 131930), (1670, 131614), (2212, 99365), (2338, 94010), (2380, 92351), (2686, 81830), (2765, 79492), (2839, 77420), (3332, 65965), (3340, 65807), (3871, 56780), (4165, 52772), (4676, 47005), (5372, 40915), (5530, 39746), (5678, 38710), (5845, 37604), (6715, 32732), (7742, 28390), (8183, 26860), (8330, 26386), (9401, 23380), (11060, 19873), (11356, 19355), (11690, 18802), (13193, 16660), (13430, 16366), (14195, 15484)]