156925281020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1\times {\mathrm{1487}}^1$

素因数の和:2259

約数の個数: 96

約数和(自身を含む): 339416275968

約数和(自身を除く): 182490994948

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 277, 430, 443, 554, 860, 886, 1108, 1385, 1487, 1772, 2215, 2770, 2974, 4430, 5540, 5948, 7435, 8860, 11911, 14870, 19049, 23822, 29740, 38098, 47644, 59555, 63941, 76196, 95245, 119110, 122711, 127882, 190490, 238220, 245422, 255764, 319705, 380980, 411899, 490844, 613555, 639410, 658741, 823798, 1227110, 1278820, 1317482, 1647596, 2059495, 2454220, 2634964, 3293705, 4118990, 5276573, 6587410, 8237980, 10553146, 13174820, 17711657, 21106292, 26382865, 28325863, 35423314, 52765730, 56651726, 70846628, 88558285, 105531460, 113303452, 141629315, 177116570, 182471257, 283258630, 354233140, 364942514, 566517260, 729885028, 912356285, 1824712570, 3649425140, 7846264051, 15692528102, 31385056204, 39231320255, 78462640510, 156925281020]

約数ペア:

[(1, 156925281020), (2, 78462640510), (4, 39231320255), (5, 31385056204), (10, 15692528102), (20, 7846264051), (43, 3649425140), (86, 1824712570), (172, 912356285), (215, 729885028), (277, 566517260), (430, 364942514), (443, 354233140), (554, 283258630), (860, 182471257), (886, 177116570), (1108, 141629315), (1385, 113303452), (1487, 105531460), (1772, 88558285), (2215, 70846628), (2770, 56651726), (2974, 52765730), (4430, 35423314), (5540, 28325863), (5948, 26382865), (7435, 21106292), (8860, 17711657), (11911, 13174820), (14870, 10553146), (19049, 8237980), (23822, 6587410), (29740, 5276573), (38098, 4118990), (47644, 3293705), (59555, 2634964), (63941, 2454220), (76196, 2059495), (95245, 1647596), (119110, 1317482), (122711, 1278820), (127882, 1227110), (190490, 823798), (238220, 658741), (245422, 639410), (255764, 613555), (319705, 490844), (380980, 411899)]