28807730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 64074240

約数和(自身を除く): 35266510

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 617, 667, 805, 1015, 1234, 1334, 1610, 2030, 3085, 3335, 4319, 4669, 6170, 6670, 8638, 9338, 14191, 17893, 21595, 23345, 28382, 35786, 43190, 46690, 70955, 89465, 99337, 125251, 141910, 178930, 198674, 250502, 411539, 496685, 626255, 823078, 993370, 1252510, 2057695, 2880773, 4115390, 5761546, 14403865, 28807730]

約数ペア:

[(1, 28807730), (2, 14403865), (5, 5761546), (7, 4115390), (10, 2880773), (14, 2057695), (23, 1252510), (29, 993370), (35, 823078), (46, 626255), (58, 496685), (70, 411539), (115, 250502), (145, 198674), (161, 178930), (203, 141910), (230, 125251), (290, 99337), (322, 89465), (406, 70955), (617, 46690), (667, 43190), (805, 35786), (1015, 28382), (1234, 23345), (1334, 21595), (1610, 17893), (2030, 14191), (3085, 9338), (3335, 8638), (4319, 6670), (4669, 6170)]