2021982470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{1997}}^1$

素因数の和:2169

約数の個数: 48

約数和(自身を含む): 3886269840

約数和(自身を除く): 1864287370

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1997, 2774, 3994, 5329, 6935, 9985, 10658, 13870, 19970, 26645, 37943, 53290, 75886, 101251, 145781, 189715, 202502, 291562, 379430, 506255, 728905, 1012510, 1457810, 2769839, 5539678, 10642013, 13849195, 21284026, 27698390, 53210065, 106420130, 202198247, 404396494, 1010991235, 2021982470]

約数ペア:

[(1, 2021982470), (2, 1010991235), (5, 404396494), (10, 202198247), (19, 106420130), (38, 53210065), (73, 27698390), (95, 21284026), (146, 13849195), (190, 10642013), (365, 5539678), (730, 2769839), (1387, 1457810), (1997, 1012510), (2774, 728905), (3994, 506255), (5329, 379430), (6935, 291562), (9985, 202502), (10658, 189715), (13870, 145781), (19970, 101251), (26645, 75886), (37943, 53290)]