2722543820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1215

約数の個数: 96

約数和(自身を含む): 6168960000

約数和(自身を除く): 3446416180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 89, 95, 158, 178, 190, 316, 356, 380, 395, 445, 790, 890, 1019, 1501, 1580, 1691, 1780, 2038, 3002, 3382, 4076, 5095, 6004, 6764, 7031, 7505, 8455, 10190, 14062, 15010, 16910, 19361, 20380, 28124, 30020, 33820, 35155, 38722, 70310, 77444, 80501, 90691, 96805, 133589, 140620, 161002, 181382, 193610, 267178, 322004, 362764, 387220, 402505, 453455, 534356, 667945, 805010, 906910, 1335890, 1529519, 1610020, 1723129, 1813820, 2671780, 3059038, 3446258, 6118076, 6892516, 7164589, 7647595, 8615645, 14329178, 15295190, 17231290, 28658356, 30590380, 34462580, 35822945, 71645890, 136127191, 143291780, 272254382, 544508764, 680635955, 1361271910, 2722543820]

約数ペア:

[(1, 2722543820), (2, 1361271910), (4, 680635955), (5, 544508764), (10, 272254382), (19, 143291780), (20, 136127191), (38, 71645890), (76, 35822945), (79, 34462580), (89, 30590380), (95, 28658356), (158, 17231290), (178, 15295190), (190, 14329178), (316, 8615645), (356, 7647595), (380, 7164589), (395, 6892516), (445, 6118076), (790, 3446258), (890, 3059038), (1019, 2671780), (1501, 1813820), (1580, 1723129), (1691, 1610020), (1780, 1529519), (2038, 1335890), (3002, 906910), (3382, 805010), (4076, 667945), (5095, 534356), (6004, 453455), (6764, 402505), (7031, 387220), (7505, 362764), (8455, 322004), (10190, 267178), (14062, 193610), (15010, 181382), (16910, 161002), (19361, 140620), (20380, 133589), (28124, 96805), (30020, 90691), (33820, 80501), (35155, 77444), (38722, 70310)]