355385860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3847}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 775756800

約数和(自身を除く): 420370940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 3847, 4619, 7694, 9238, 15388, 18476, 19235, 23095, 38470, 46190, 76940, 92380, 119257, 238514, 477028, 573203, 596285, 1146406, 1192570, 2292812, 2385140, 2866015, 5732030, 11464060, 17769293, 35538586, 71077172, 88846465, 177692930, 355385860]

約数ペア:

[(1, 355385860), (2, 177692930), (4, 88846465), (5, 71077172), (10, 35538586), (20, 17769293), (31, 11464060), (62, 5732030), (124, 2866015), (149, 2385140), (155, 2292812), (298, 1192570), (310, 1146406), (596, 596285), (620, 573203), (745, 477028), (1490, 238514), (2980, 119257), (3847, 92380), (4619, 76940), (7694, 46190), (9238, 38470), (15388, 23095), (18476, 19235)]