138159420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{46993}}^1$

素因数の和:47019

約数の個数: 72

約数和(自身を含む): 450014544

約数和(自身を除く): 311855124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 46993, 93986, 140979, 187972, 234965, 281958, 328951, 469930, 563916, 657902, 704895, 939860, 986853, 1315804, 1409790, 1644755, 1973706, 2302657, 2819580, 3289510, 3947412, 4605314, 4934265, 6579020, 6907971, 9210628, 9868530, 11513285, 13815942, 19737060, 23026570, 27631884, 34539855, 46053140, 69079710, 138159420]

約数ペア:

[(1, 138159420), (2, 69079710), (3, 46053140), (4, 34539855), (5, 27631884), (6, 23026570), (7, 19737060), (10, 13815942), (12, 11513285), (14, 9868530), (15, 9210628), (20, 6907971), (21, 6579020), (28, 4934265), (30, 4605314), (35, 3947412), (42, 3289510), (49, 2819580), (60, 2302657), (70, 1973706), (84, 1644755), (98, 1409790), (105, 1315804), (140, 986853), (147, 939860), (196, 704895), (210, 657902), (245, 563916), (294, 469930), (420, 328951), (490, 281958), (588, 234965), (735, 187972), (980, 140979), (1470, 93986), (2940, 46993)]