989898780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74653}}^1$

素因数の和:74695

約数の個数: 96

約数和(自身を含む): 3160551744

約数和(自身を除く): 2170652964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 13260, 74653, 149306, 223959, 298612, 373265, 447918, 746530, 895836, 970489, 1119795, 1269101, 1493060, 1940978, 2239590, 2538202, 2911467, 3807303, 3881956, 4479180, 4852445, 5076404, 5822934, 6345505, 7614606, 9704890, 11645868, 12691010, 14557335, 15229212, 16498313, 19036515, 19409780, 25382020, 29114670, 32996626, 38073030, 49494939, 58229340, 65993252, 76146060, 82491565, 98989878, 164983130, 197979756, 247474695, 329966260, 494949390, 989898780]

約数ペア:

[(1, 989898780), (2, 494949390), (3, 329966260), (4, 247474695), (5, 197979756), (6, 164983130), (10, 98989878), (12, 82491565), (13, 76146060), (15, 65993252), (17, 58229340), (20, 49494939), (26, 38073030), (30, 32996626), (34, 29114670), (39, 25382020), (51, 19409780), (52, 19036515), (60, 16498313), (65, 15229212), (68, 14557335), (78, 12691010), (85, 11645868), (102, 9704890), (130, 7614606), (156, 6345505), (170, 5822934), (195, 5076404), (204, 4852445), (221, 4479180), (255, 3881956), (260, 3807303), (340, 2911467), (390, 2538202), (442, 2239590), (510, 1940978), (663, 1493060), (780, 1269101), (884, 1119795), (1020, 970489), (1105, 895836), (1326, 746530), (2210, 447918), (2652, 373265), (3315, 298612), (4420, 223959), (6630, 149306), (13260, 74653)]