195039940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 447552000

約数和(自身を除く): 252512060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 79, 89, 95, 146, 158, 178, 190, 292, 316, 356, 365, 380, 395, 445, 730, 790, 890, 1387, 1460, 1501, 1580, 1691, 1780, 2774, 3002, 3382, 5548, 5767, 6004, 6497, 6764, 6935, 7031, 7505, 8455, 11534, 12994, 13870, 14062, 15010, 16910, 23068, 25988, 27740, 28124, 28835, 30020, 32485, 33820, 35155, 57670, 64970, 70310, 109573, 115340, 123443, 129940, 133589, 140620, 219146, 246886, 267178, 438292, 493772, 513263, 534356, 547865, 617215, 667945, 1026526, 1095730, 1234430, 1335890, 2053052, 2191460, 2468860, 2566315, 2671780, 5132630, 9751997, 10265260, 19503994, 39007988, 48759985, 97519970, 195039940]

約数ペア:

[(1, 195039940), (2, 97519970), (4, 48759985), (5, 39007988), (10, 19503994), (19, 10265260), (20, 9751997), (38, 5132630), (73, 2671780), (76, 2566315), (79, 2468860), (89, 2191460), (95, 2053052), (146, 1335890), (158, 1234430), (178, 1095730), (190, 1026526), (292, 667945), (316, 617215), (356, 547865), (365, 534356), (380, 513263), (395, 493772), (445, 438292), (730, 267178), (790, 246886), (890, 219146), (1387, 140620), (1460, 133589), (1501, 129940), (1580, 123443), (1691, 115340), (1780, 109573), (2774, 70310), (3002, 64970), (3382, 57670), (5548, 35155), (5767, 33820), (6004, 32485), (6497, 30020), (6764, 28835), (6935, 28124), (7031, 27740), (7505, 25988), (8455, 23068), (11534, 16910), (12994, 15010), (13870, 14062)]