123879880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 290142000

約数和(自身を除く): 166262120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 269, 290, 397, 538, 580, 794, 1076, 1160, 1345, 1588, 1985, 2152, 2690, 3176, 3970, 5380, 7801, 7940, 10760, 11513, 15602, 15880, 23026, 31204, 39005, 46052, 57565, 62408, 78010, 92104, 106793, 115130, 156020, 213586, 230260, 312040, 427172, 460520, 533965, 854344, 1067930, 2135860, 3096997, 4271720, 6193994, 12387988, 15484985, 24775976, 30969970, 61939940, 123879880]

約数ペア:

[(1, 123879880), (2, 61939940), (4, 30969970), (5, 24775976), (8, 15484985), (10, 12387988), (20, 6193994), (29, 4271720), (40, 3096997), (58, 2135860), (116, 1067930), (145, 854344), (232, 533965), (269, 460520), (290, 427172), (397, 312040), (538, 230260), (580, 213586), (794, 156020), (1076, 115130), (1160, 106793), (1345, 92104), (1588, 78010), (1985, 62408), (2152, 57565), (2690, 46052), (3176, 39005), (3970, 31204), (5380, 23026), (7801, 15880), (7940, 15602), (10760, 11513)]