78390940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 172892160

約数和(自身を除く): 94501220

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 2143, 3658, 4286, 7316, 8572, 9145, 10715, 18290, 21430, 36580, 42860, 66433, 126437, 132866, 252874, 265732, 332165, 505748, 632185, 664330, 1264370, 1328660, 2528740, 3919547, 7839094, 15678188, 19597735, 39195470, 78390940]

約数ペア:

[(1, 78390940), (2, 39195470), (4, 19597735), (5, 15678188), (10, 7839094), (20, 3919547), (31, 2528740), (59, 1328660), (62, 1264370), (118, 664330), (124, 632185), (155, 505748), (236, 332165), (295, 265732), (310, 252874), (590, 132866), (620, 126437), (1180, 66433), (1829, 42860), (2143, 36580), (3658, 21430), (4286, 18290), (7316, 10715), (8572, 9145)]