28805820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 88252416

約数和(自身を除く): 59446596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 911, 930, 1020, 1054, 1581, 1822, 1860, 2108, 2635, 2733, 3162, 3644, 4555, 5270, 5466, 6324, 7905, 9110, 10540, 10932, 13665, 15487, 15810, 18220, 27330, 28241, 30974, 31620, 46461, 54660, 56482, 61948, 77435, 84723, 92922, 112964, 141205, 154870, 169446, 185844, 232305, 282410, 309740, 338892, 423615, 464610, 480097, 564820, 847230, 929220, 960194, 1440291, 1694460, 1920388, 2400485, 2880582, 4800970, 5761164, 7201455, 9601940, 14402910, 28805820]

約数ペア:

[(1, 28805820), (2, 14402910), (3, 9601940), (4, 7201455), (5, 5761164), (6, 4800970), (10, 2880582), (12, 2400485), (15, 1920388), (17, 1694460), (20, 1440291), (30, 960194), (31, 929220), (34, 847230), (51, 564820), (60, 480097), (62, 464610), (68, 423615), (85, 338892), (93, 309740), (102, 282410), (124, 232305), (155, 185844), (170, 169446), (186, 154870), (204, 141205), (255, 112964), (310, 92922), (340, 84723), (372, 77435), (465, 61948), (510, 56482), (527, 54660), (620, 46461), (911, 31620), (930, 30974), (1020, 28241), (1054, 27330), (1581, 18220), (1822, 15810), (1860, 15487), (2108, 13665), (2635, 10932), (2733, 10540), (3162, 9110), (3644, 7905), (4555, 6324), (5270, 5466)]