149386520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{120473}}^1$

素因数の和:120515

約数の個数: 32

約数和(自身を含む): 346965120

約数和(自身を除く): 197578600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 120473, 240946, 481892, 602365, 963784, 1204730, 2409460, 3734663, 4818920, 7469326, 14938652, 18673315, 29877304, 37346630, 74693260, 149386520]

約数ペア:

[(1, 149386520), (2, 74693260), (4, 37346630), (5, 29877304), (8, 18673315), (10, 14938652), (20, 7469326), (31, 4818920), (40, 3734663), (62, 2409460), (124, 1204730), (155, 963784), (248, 602365), (310, 481892), (620, 240946), (1240, 120473)]