69958940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 154586880

約数和(自身を除く): 84627940

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 2129, 3286, 4258, 6572, 8215, 8516, 10645, 16430, 21290, 32860, 42580, 65999, 112837, 131998, 225674, 263996, 329995, 451348, 564185, 659990, 1128370, 1319980, 2256740, 3497947, 6995894, 13991788, 17489735, 34979470, 69958940]

約数ペア:

[(1, 69958940), (2, 34979470), (4, 17489735), (5, 13991788), (10, 6995894), (20, 3497947), (31, 2256740), (53, 1319980), (62, 1128370), (106, 659990), (124, 564185), (155, 451348), (212, 329995), (265, 263996), (310, 225674), (530, 131998), (620, 112837), (1060, 65999), (1643, 42580), (2129, 32860), (3286, 21290), (4258, 16430), (6572, 10645), (8215, 8516)]