900900280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{1097}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 2365750800

約数和(自身を除く): 1464850520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 419, 490, 838, 980, 1097, 1676, 1960, 2095, 2194, 2933, 3352, 4190, 4388, 5485, 5866, 7679, 8380, 8776, 10970, 11732, 14665, 15358, 16760, 20531, 21940, 23464, 29330, 30716, 38395, 41062, 43880, 53753, 58660, 61432, 76790, 82124, 102655, 107506, 117320, 153580, 164248, 205310, 215012, 268765, 307160, 410620, 430024, 459643, 537530, 821240, 919286, 1075060, 1838572, 2150120, 2298215, 3217501, 3677144, 4596430, 6435002, 9192860, 12870004, 16087505, 18385720, 22522507, 25740008, 32175010, 45045014, 64350020, 90090028, 112612535, 128700040, 180180056, 225225070, 450450140, 900900280]

約数ペア:

[(1, 900900280), (2, 450450140), (4, 225225070), (5, 180180056), (7, 128700040), (8, 112612535), (10, 90090028), (14, 64350020), (20, 45045014), (28, 32175010), (35, 25740008), (40, 22522507), (49, 18385720), (56, 16087505), (70, 12870004), (98, 9192860), (140, 6435002), (196, 4596430), (245, 3677144), (280, 3217501), (392, 2298215), (419, 2150120), (490, 1838572), (838, 1075060), (980, 919286), (1097, 821240), (1676, 537530), (1960, 459643), (2095, 430024), (2194, 410620), (2933, 307160), (3352, 268765), (4190, 215012), (4388, 205310), (5485, 164248), (5866, 153580), (7679, 117320), (8380, 107506), (8776, 102655), (10970, 82124), (11732, 76790), (14665, 61432), (15358, 58660), (16760, 53753), (20531, 43880), (21940, 41062), (23464, 38395), (29330, 30716)]