1220761090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 2360171520

約数和(自身を除く): 1139410430

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 251, 290, 310, 502, 541, 899, 1082, 1255, 1798, 2510, 2705, 4495, 5410, 7279, 7781, 8990, 14558, 15562, 15689, 16771, 31378, 33542, 36395, 38905, 72790, 77810, 78445, 83855, 135791, 156890, 167710, 225649, 271582, 451298, 486359, 678955, 972718, 1128245, 1357910, 2256490, 2431795, 3937939, 4209521, 4863590, 7875878, 8419042, 19689695, 21047605, 39379390, 42095210, 122076109, 244152218, 610380545, 1220761090]

約数ペア:

[(1, 1220761090), (2, 610380545), (5, 244152218), (10, 122076109), (29, 42095210), (31, 39379390), (58, 21047605), (62, 19689695), (145, 8419042), (155, 7875878), (251, 4863590), (290, 4209521), (310, 3937939), (502, 2431795), (541, 2256490), (899, 1357910), (1082, 1128245), (1255, 972718), (1798, 678955), (2510, 486359), (2705, 451298), (4495, 271582), (5410, 225649), (7279, 167710), (7781, 156890), (8990, 135791), (14558, 83855), (15562, 78445), (15689, 77810), (16771, 72790), (31378, 38905), (33542, 36395)]