149381740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89989}}^1$

素因数の和:90081

約数の個数: 24

約数和(自身を含む): 317484720

約数和(自身を除く): 168102980

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 89989, 179978, 359956, 449945, 899890, 1799780, 7469087, 14938174, 29876348, 37345435, 74690870, 149381740]

約数ペア:

[(1, 149381740), (2, 74690870), (4, 37345435), (5, 29876348), (10, 14938174), (20, 7469087), (83, 1799780), (166, 899890), (332, 449945), (415, 359956), (830, 179978), (1660, 89989)]