28120050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 88208640

約数和(自身を除く): 60088590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 79, 90, 105, 113, 126, 150, 158, 175, 210, 225, 226, 237, 315, 339, 350, 395, 450, 474, 525, 553, 565, 630, 678, 711, 790, 791, 1017, 1050, 1106, 1130, 1185, 1422, 1575, 1582, 1659, 1695, 1975, 2034, 2370, 2373, 2765, 2825, 3150, 3318, 3390, 3555, 3950, 3955, 4746, 4977, 5085, 5530, 5650, 5925, 7110, 7119, 7910, 8295, 8475, 8927, 9954, 10170, 11850, 11865, 13825, 14238, 16590, 16950, 17775, 17854, 19775, 23730, 24885, 25425, 26781, 27650, 35550, 35595, 39550, 41475, 44635, 49770, 50850, 53562, 59325, 62489, 71190, 80343, 82950, 89270, 118650, 124425, 124978, 133905, 160686, 177975, 187467, 223175, 248850, 267810, 312445, 355950, 374934, 401715, 446350, 562401, 624890, 669525, 803430, 937335, 1124802, 1339050, 1562225, 1874670, 2008575, 2812005, 3124450, 4017150, 4686675, 5624010, 9373350, 14060025, 28120050]

約数ペア:

[(1, 28120050), (2, 14060025), (3, 9373350), (5, 5624010), (6, 4686675), (7, 4017150), (9, 3124450), (10, 2812005), (14, 2008575), (15, 1874670), (18, 1562225), (21, 1339050), (25, 1124802), (30, 937335), (35, 803430), (42, 669525), (45, 624890), (50, 562401), (63, 446350), (70, 401715), (75, 374934), (79, 355950), (90, 312445), (105, 267810), (113, 248850), (126, 223175), (150, 187467), (158, 177975), (175, 160686), (210, 133905), (225, 124978), (226, 124425), (237, 118650), (315, 89270), (339, 82950), (350, 80343), (395, 71190), (450, 62489), (474, 59325), (525, 53562), (553, 50850), (565, 49770), (630, 44635), (678, 41475), (711, 39550), (790, 35595), (791, 35550), (1017, 27650), (1050, 26781), (1106, 25425), (1130, 24885), (1185, 23730), (1422, 19775), (1575, 17854), (1582, 17775), (1659, 16950), (1695, 16590), (1975, 14238), (2034, 13825), (2370, 11865), (2373, 11850), (2765, 10170), (2825, 9954), (3150, 8927), (3318, 8475), (3390, 8295), (3555, 7910), (3950, 7119), (3955, 7110), (4746, 5925), (4977, 5650), (5085, 5530)]