90819460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 204228864

約数和(自身を除く): 113409404

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 107, 124, 148, 155, 185, 214, 310, 370, 428, 535, 620, 740, 1070, 1147, 1369, 2140, 2294, 2738, 3317, 3959, 4588, 5476, 5735, 6634, 6845, 7918, 11470, 13268, 13690, 15836, 16585, 19795, 22940, 27380, 33170, 39590, 42439, 66340, 79180, 84878, 122729, 146483, 169756, 212195, 245458, 292966, 424390, 490916, 585932, 613645, 732415, 848780, 1227290, 1464830, 2454580, 2929660, 4540973, 9081946, 18163892, 22704865, 45409730, 90819460]

約数ペア:

[(1, 90819460), (2, 45409730), (4, 22704865), (5, 18163892), (10, 9081946), (20, 4540973), (31, 2929660), (37, 2454580), (62, 1464830), (74, 1227290), (107, 848780), (124, 732415), (148, 613645), (155, 585932), (185, 490916), (214, 424390), (310, 292966), (370, 245458), (428, 212195), (535, 169756), (620, 146483), (740, 122729), (1070, 84878), (1147, 79180), (1369, 66340), (2140, 42439), (2294, 39590), (2738, 33170), (3317, 27380), (3959, 22940), (4588, 19795), (5476, 16585), (5735, 15836), (6634, 13690), (6845, 13268), (7918, 11470)]