814907540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 1859880960

約数和(自身を除く): 1044973420

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 61, 62, 116, 122, 124, 145, 155, 244, 290, 305, 310, 580, 610, 620, 743, 899, 1220, 1486, 1769, 1798, 1891, 2972, 3538, 3596, 3715, 3782, 4495, 7076, 7430, 7564, 8845, 8990, 9455, 14860, 17690, 17980, 18910, 21547, 23033, 35380, 37820, 43094, 45323, 46066, 54839, 86188, 90646, 92132, 107735, 109678, 115165, 181292, 215470, 219356, 226615, 230330, 274195, 430940, 453230, 460660, 548390, 667957, 906460, 1096780, 1314367, 1335914, 1405013, 2628734, 2671828, 2810026, 3339785, 5257468, 5620052, 6571835, 6679570, 7025065, 13143670, 13359140, 14050130, 26287340, 28100260, 40745377, 81490754, 162981508, 203726885, 407453770, 814907540]

約数ペア:

[(1, 814907540), (2, 407453770), (4, 203726885), (5, 162981508), (10, 81490754), (20, 40745377), (29, 28100260), (31, 26287340), (58, 14050130), (61, 13359140), (62, 13143670), (116, 7025065), (122, 6679570), (124, 6571835), (145, 5620052), (155, 5257468), (244, 3339785), (290, 2810026), (305, 2671828), (310, 2628734), (580, 1405013), (610, 1335914), (620, 1314367), (743, 1096780), (899, 906460), (1220, 667957), (1486, 548390), (1769, 460660), (1798, 453230), (1891, 430940), (2972, 274195), (3538, 230330), (3596, 226615), (3715, 219356), (3782, 215470), (4495, 181292), (7076, 115165), (7430, 109678), (7564, 107735), (8845, 92132), (8990, 90646), (9455, 86188), (14860, 54839), (17690, 46066), (17980, 45323), (18910, 43094), (21547, 37820), (23033, 35380)]