28890140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 66334464

約数和(自身を除く): 37444324

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2741, 5270, 5482, 10540, 10964, 13705, 27410, 46597, 54820, 84971, 93194, 169942, 186388, 232985, 339884, 424855, 465970, 849710, 931940, 1444507, 1699420, 2889014, 5778028, 7222535, 14445070, 28890140]

約数ペア:

[(1, 28890140), (2, 14445070), (4, 7222535), (5, 5778028), (10, 2889014), (17, 1699420), (20, 1444507), (31, 931940), (34, 849710), (62, 465970), (68, 424855), (85, 339884), (124, 232985), (155, 186388), (170, 169942), (310, 93194), (340, 84971), (527, 54820), (620, 46597), (1054, 27410), (2108, 13705), (2635, 10964), (2741, 10540), (5270, 5482)]