138743910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^2$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 374048064

約数和(自身を除く): 235304154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 223, 279, 310, 446, 465, 558, 669, 930, 1115, 1338, 1395, 2007, 2230, 2790, 3345, 4014, 6690, 6913, 10035, 13826, 20070, 20739, 34565, 41478, 49729, 62217, 69130, 99458, 103695, 124434, 149187, 207390, 248645, 298374, 311085, 447561, 497290, 622170, 745935, 895122, 1491870, 1541599, 2237805, 3083198, 4475610, 4624797, 7707995, 9249594, 13874391, 15415990, 23123985, 27748782, 46247970, 69371955, 138743910]

約数ペア:

[(1, 138743910), (2, 69371955), (3, 46247970), (5, 27748782), (6, 23123985), (9, 15415990), (10, 13874391), (15, 9249594), (18, 7707995), (30, 4624797), (31, 4475610), (45, 3083198), (62, 2237805), (90, 1541599), (93, 1491870), (155, 895122), (186, 745935), (223, 622170), (279, 497290), (310, 447561), (446, 311085), (465, 298374), (558, 248645), (669, 207390), (930, 149187), (1115, 124434), (1338, 103695), (1395, 99458), (2007, 69130), (2230, 62217), (2790, 49729), (3345, 41478), (4014, 34565), (6690, 20739), (6913, 20070), (10035, 13826)]