140054740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{593}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 344132712

約数和(自身を除く): 204077972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 482, 490, 593, 964, 980, 1186, 1205, 1687, 2372, 2410, 2965, 3374, 4151, 4820, 5930, 6748, 8302, 8435, 11809, 11860, 16604, 16870, 20755, 23618, 29057, 33740, 41510, 47236, 58114, 59045, 83020, 116228, 118090, 142913, 145285, 236180, 285826, 290570, 571652, 581140, 714565, 1000391, 1429130, 2000782, 2858260, 4001564, 5001955, 7002737, 10003910, 14005474, 20007820, 28010948, 35013685, 70027370, 140054740]

約数ペア:

[(1, 140054740), (2, 70027370), (4, 35013685), (5, 28010948), (7, 20007820), (10, 14005474), (14, 10003910), (20, 7002737), (28, 5001955), (35, 4001564), (49, 2858260), (70, 2000782), (98, 1429130), (140, 1000391), (196, 714565), (241, 581140), (245, 571652), (482, 290570), (490, 285826), (593, 236180), (964, 145285), (980, 142913), (1186, 118090), (1205, 116228), (1687, 83020), (2372, 59045), (2410, 58114), (2965, 47236), (3374, 41510), (4151, 33740), (4820, 29057), (5930, 23618), (6748, 20755), (8302, 16870), (8435, 16604), (11809, 11860)]