23131270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 45042480

約数和(自身を除く): 21911210

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 83, 145, 155, 166, 290, 310, 415, 830, 899, 961, 1798, 1922, 2407, 2573, 4495, 4805, 4814, 5146, 8990, 9610, 12035, 12865, 24070, 25730, 27869, 55738, 74617, 79763, 139345, 149234, 159526, 278690, 373085, 398815, 746170, 797630, 2313127, 4626254, 11565635, 23131270]

約数ペア:

[(1, 23131270), (2, 11565635), (5, 4626254), (10, 2313127), (29, 797630), (31, 746170), (58, 398815), (62, 373085), (83, 278690), (145, 159526), (155, 149234), (166, 139345), (290, 79763), (310, 74617), (415, 55738), (830, 27869), (899, 25730), (961, 24070), (1798, 12865), (1922, 12035), (2407, 9610), (2573, 8990), (4495, 5146), (4805, 4814)]