127255540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19699}}^1$

素因数の和:19744

約数の個数: 48

約数和(自身を含む): 297864000

約数和(自身を除く): 170608460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 19699, 39398, 78796, 98495, 196990, 334883, 374281, 393980, 669766, 748562, 1339532, 1497124, 1674415, 1871405, 3348830, 3742810, 6362777, 6697660, 7485620, 12725554, 25451108, 31813885, 63627770, 127255540]

約数ペア:

[(1, 127255540), (2, 63627770), (4, 31813885), (5, 25451108), (10, 12725554), (17, 7485620), (19, 6697660), (20, 6362777), (34, 3742810), (38, 3348830), (68, 1871405), (76, 1674415), (85, 1497124), (95, 1339532), (170, 748562), (190, 669766), (323, 393980), (340, 374281), (380, 334883), (646, 196990), (1292, 98495), (1615, 78796), (3230, 39398), (6460, 19699)]