28699180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 63786240

約数和(自身を除く): 35087060

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1129, 1271, 2258, 2542, 4516, 5084, 5645, 6355, 11290, 12710, 22580, 25420, 34999, 46289, 69998, 92578, 139996, 174995, 185156, 231445, 349990, 462890, 699980, 925780, 1434959, 2869918, 5739836, 7174795, 14349590, 28699180]

約数ペア:

[(1, 28699180), (2, 14349590), (4, 7174795), (5, 5739836), (10, 2869918), (20, 1434959), (31, 925780), (41, 699980), (62, 462890), (82, 349990), (124, 231445), (155, 185156), (164, 174995), (205, 139996), (310, 92578), (410, 69998), (620, 46289), (820, 34999), (1129, 25420), (1271, 22580), (2258, 12710), (2542, 11290), (4516, 6355), (5084, 5645)]