123456450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{63311}}^1$

素因数の和:63339

約数の個数: 48

約数和(自身を含む): 329728896

約数和(自身を除く): 206272446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 63311, 126622, 189933, 316555, 379866, 633110, 823043, 949665, 1582775, 1646086, 1899330, 2469129, 3165550, 4115215, 4748325, 4938258, 8230430, 9496650, 12345645, 20576075, 24691290, 41152150, 61728225, 123456450]

約数ペア:

[(1, 123456450), (2, 61728225), (3, 41152150), (5, 24691290), (6, 20576075), (10, 12345645), (13, 9496650), (15, 8230430), (25, 4938258), (26, 4748325), (30, 4115215), (39, 3165550), (50, 2469129), (65, 1899330), (75, 1646086), (78, 1582775), (130, 949665), (150, 823043), (195, 633110), (325, 379866), (390, 316555), (650, 189933), (975, 126622), (1950, 63311)]