72840170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 147125160

約数和(自身を除く): 74284990

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 139, 145, 278, 290, 377, 695, 754, 1390, 1807, 1885, 3614, 3770, 4031, 8062, 9035, 18070, 19321, 20155, 38642, 40310, 52403, 96605, 104806, 193210, 251173, 262015, 502346, 524030, 560309, 1120618, 1255865, 2511730, 2801545, 5603090, 7284017, 14568034, 36420085, 72840170]

約数ペア:

[(1, 72840170), (2, 36420085), (5, 14568034), (10, 7284017), (13, 5603090), (26, 2801545), (29, 2511730), (58, 1255865), (65, 1120618), (130, 560309), (139, 524030), (145, 502346), (278, 262015), (290, 251173), (377, 193210), (695, 104806), (754, 96605), (1390, 52403), (1807, 40310), (1885, 38642), (3614, 20155), (3770, 19321), (4031, 18070), (8062, 9035)]