202246640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 510235200

約数和(自身を除く): 307988560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 149, 152, 188, 190, 235, 298, 304, 361, 376, 380, 470, 596, 722, 745, 752, 760, 893, 940, 1192, 1444, 1490, 1520, 1786, 1805, 1880, 2384, 2831, 2888, 2980, 3572, 3610, 3760, 4465, 5662, 5776, 5960, 7003, 7144, 7220, 8930, 11324, 11920, 14006, 14155, 14288, 14440, 16967, 17860, 22648, 28012, 28310, 28880, 33934, 35015, 35720, 45296, 53789, 56024, 56620, 67868, 70030, 71440, 84835, 107578, 112048, 113240, 133057, 135736, 140060, 169670, 215156, 226480, 266114, 268945, 271472, 280120, 339340, 430312, 532228, 537890, 560240, 665285, 678680, 860624, 1064456, 1075780, 1330570, 1357360, 2128912, 2151560, 2528083, 2661140, 4303120, 5056166, 5322280, 10112332, 10644560, 12640415, 20224664, 25280830, 40449328, 50561660, 101123320, 202246640]

約数ペア:

[(1, 202246640), (2, 101123320), (4, 50561660), (5, 40449328), (8, 25280830), (10, 20224664), (16, 12640415), (19, 10644560), (20, 10112332), (38, 5322280), (40, 5056166), (47, 4303120), (76, 2661140), (80, 2528083), (94, 2151560), (95, 2128912), (149, 1357360), (152, 1330570), (188, 1075780), (190, 1064456), (235, 860624), (298, 678680), (304, 665285), (361, 560240), (376, 537890), (380, 532228), (470, 430312), (596, 339340), (722, 280120), (745, 271472), (752, 268945), (760, 266114), (893, 226480), (940, 215156), (1192, 169670), (1444, 140060), (1490, 135736), (1520, 133057), (1786, 113240), (1805, 112048), (1880, 107578), (2384, 84835), (2831, 71440), (2888, 70030), (2980, 67868), (3572, 56620), (3610, 56024), (3760, 53789), (4465, 45296), (5662, 35720), (5776, 35015), (5960, 33934), (7003, 28880), (7144, 28310), (7220, 28012), (8930, 22648), (11324, 17860), (11920, 16967), (14006, 14440), (14155, 14288)]