129879400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 364178700

約数和(自身を除く): 234299300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 290, 350, 392, 406, 457, 490, 580, 700, 725, 812, 914, 980, 1015, 1160, 1225, 1400, 1421, 1450, 1624, 1828, 1960, 2030, 2285, 2450, 2842, 2900, 3199, 3656, 4060, 4570, 4900, 5075, 5684, 5800, 6398, 7105, 8120, 9140, 9800, 10150, 11368, 11425, 12796, 13253, 14210, 15995, 18280, 20300, 22393, 22850, 25592, 26506, 28420, 31990, 35525, 40600, 44786, 45700, 53012, 56840, 63980, 66265, 71050, 79975, 89572, 91400, 92771, 106024, 111965, 127960, 132530, 142100, 159950, 179144, 185542, 223930, 265060, 284200, 319900, 331325, 371084, 447860, 463855, 530120, 559825, 639800, 649397, 662650, 742168, 895720, 927710, 1119650, 1298794, 1325300, 1855420, 2239300, 2319275, 2597588, 2650600, 3246985, 3710840, 4478600, 4638550, 5195176, 6493970, 9277100, 12987940, 16234925, 18554200, 25975880, 32469850, 64939700, 129879400]

約数ペア:

[(1, 129879400), (2, 64939700), (4, 32469850), (5, 25975880), (7, 18554200), (8, 16234925), (10, 12987940), (14, 9277100), (20, 6493970), (25, 5195176), (28, 4638550), (29, 4478600), (35, 3710840), (40, 3246985), (49, 2650600), (50, 2597588), (56, 2319275), (58, 2239300), (70, 1855420), (98, 1325300), (100, 1298794), (116, 1119650), (140, 927710), (145, 895720), (175, 742168), (196, 662650), (200, 649397), (203, 639800), (232, 559825), (245, 530120), (280, 463855), (290, 447860), (350, 371084), (392, 331325), (406, 319900), (457, 284200), (490, 265060), (580, 223930), (700, 185542), (725, 179144), (812, 159950), (914, 142100), (980, 132530), (1015, 127960), (1160, 111965), (1225, 106024), (1400, 92771), (1421, 91400), (1450, 89572), (1624, 79975), (1828, 71050), (1960, 66265), (2030, 63980), (2285, 56840), (2450, 53012), (2842, 45700), (2900, 44786), (3199, 40600), (3656, 35525), (4060, 31990), (4570, 28420), (4900, 26506), (5075, 25592), (5684, 22850), (5800, 22393), (6398, 20300), (7105, 18280), (8120, 15995), (9140, 14210), (9800, 13253), (10150, 12796), (11368, 11425)]