28874340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1$

素因数の和:4890

約数の個数: 96

約数和(自身を含む): 98017920

約数和(自身を除く): 69143580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 4861, 5940, 9722, 14583, 19444, 24305, 29166, 43749, 48610, 53471, 58332, 72915, 87498, 97220, 106942, 131247, 145830, 160413, 174996, 213884, 218745, 262494, 267355, 291660, 320826, 437490, 481239, 524988, 534710, 641652, 656235, 802065, 874980, 962478, 1069420, 1312470, 1443717, 1604130, 1924956, 2406195, 2624940, 2887434, 3208260, 4812390, 5774868, 7218585, 9624780, 14437170, 28874340]

約数ペア:

[(1, 28874340), (2, 14437170), (3, 9624780), (4, 7218585), (5, 5774868), (6, 4812390), (9, 3208260), (10, 2887434), (11, 2624940), (12, 2406195), (15, 1924956), (18, 1604130), (20, 1443717), (22, 1312470), (27, 1069420), (30, 962478), (33, 874980), (36, 802065), (44, 656235), (45, 641652), (54, 534710), (55, 524988), (60, 481239), (66, 437490), (90, 320826), (99, 291660), (108, 267355), (110, 262494), (132, 218745), (135, 213884), (165, 174996), (180, 160413), (198, 145830), (220, 131247), (270, 106942), (297, 97220), (330, 87498), (396, 72915), (495, 58332), (540, 53471), (594, 48610), (660, 43749), (990, 29166), (1188, 24305), (1485, 19444), (1980, 14583), (2970, 9722), (4861, 5940)]