79698920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 219801600

約数和(自身を除く): 140102680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 211, 266, 280, 284, 355, 380, 422, 497, 532, 568, 665, 710, 760, 844, 994, 1055, 1064, 1330, 1349, 1420, 1477, 1688, 1988, 2110, 2485, 2660, 2698, 2840, 2954, 3976, 4009, 4220, 4970, 5320, 5396, 5908, 6745, 7385, 8018, 8440, 9443, 9940, 10792, 11816, 13490, 14770, 14981, 16036, 18886, 19880, 20045, 26980, 28063, 29540, 29962, 32072, 37772, 40090, 47215, 53960, 56126, 59080, 59924, 74905, 75544, 80180, 94430, 104867, 112252, 119848, 140315, 149810, 160360, 188860, 209734, 224504, 280630, 284639, 299620, 377720, 419468, 524335, 561260, 569278, 599240, 838936, 1048670, 1122520, 1138556, 1423195, 1992473, 2097340, 2277112, 2846390, 3984946, 4194680, 5692780, 7969892, 9962365, 11385560, 15939784, 19924730, 39849460, 79698920]

約数ペア:

[(1, 79698920), (2, 39849460), (4, 19924730), (5, 15939784), (7, 11385560), (8, 9962365), (10, 7969892), (14, 5692780), (19, 4194680), (20, 3984946), (28, 2846390), (35, 2277112), (38, 2097340), (40, 1992473), (56, 1423195), (70, 1138556), (71, 1122520), (76, 1048670), (95, 838936), (133, 599240), (140, 569278), (142, 561260), (152, 524335), (190, 419468), (211, 377720), (266, 299620), (280, 284639), (284, 280630), (355, 224504), (380, 209734), (422, 188860), (497, 160360), (532, 149810), (568, 140315), (665, 119848), (710, 112252), (760, 104867), (844, 94430), (994, 80180), (1055, 75544), (1064, 74905), (1330, 59924), (1349, 59080), (1420, 56126), (1477, 53960), (1688, 47215), (1988, 40090), (2110, 37772), (2485, 32072), (2660, 29962), (2698, 29540), (2840, 28063), (2954, 26980), (3976, 20045), (4009, 19880), (4220, 18886), (4970, 16036), (5320, 14981), (5396, 14770), (5908, 13490), (6745, 11816), (7385, 10792), (8018, 9940), (8440, 9443)]