71600740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 162836352

約数和(自身を除く): 91235612

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 211, 235, 361, 380, 422, 470, 722, 844, 893, 940, 1055, 1444, 1786, 1805, 2110, 3572, 3610, 4009, 4220, 4465, 7220, 8018, 8930, 9917, 16036, 16967, 17860, 19834, 20045, 33934, 39668, 40090, 49585, 67868, 76171, 80180, 84835, 99170, 152342, 169670, 188423, 198340, 304684, 339340, 376846, 380855, 753692, 761710, 942115, 1523420, 1884230, 3580037, 3768460, 7160074, 14320148, 17900185, 35800370, 71600740]

約数ペア:

[(1, 71600740), (2, 35800370), (4, 17900185), (5, 14320148), (10, 7160074), (19, 3768460), (20, 3580037), (38, 1884230), (47, 1523420), (76, 942115), (94, 761710), (95, 753692), (188, 380855), (190, 376846), (211, 339340), (235, 304684), (361, 198340), (380, 188423), (422, 169670), (470, 152342), (722, 99170), (844, 84835), (893, 80180), (940, 76171), (1055, 67868), (1444, 49585), (1786, 40090), (1805, 39668), (2110, 33934), (3572, 20045), (3610, 19834), (4009, 17860), (4220, 16967), (4465, 16036), (7220, 9917), (8018, 8930)]