72404860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 166491360

約数和(自身を除く): 94086500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 829, 1588, 1658, 1985, 3316, 3970, 4145, 4367, 7940, 8290, 8734, 9119, 16580, 17468, 18238, 21835, 36476, 43670, 45595, 87340, 91190, 182380, 329113, 658226, 1316452, 1645565, 3291130, 3620243, 6582260, 7240486, 14480972, 18101215, 36202430, 72404860]

約数ペア:

[(1, 72404860), (2, 36202430), (4, 18101215), (5, 14480972), (10, 7240486), (11, 6582260), (20, 3620243), (22, 3291130), (44, 1645565), (55, 1316452), (110, 658226), (220, 329113), (397, 182380), (794, 91190), (829, 87340), (1588, 45595), (1658, 43670), (1985, 36476), (3316, 21835), (3970, 18238), (4145, 17468), (4367, 16580), (7940, 9119), (8290, 8734)]