70865990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 145224576

約数和(自身を除く): 74358586

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 137, 173, 230, 274, 299, 346, 598, 685, 865, 1370, 1495, 1730, 1781, 2249, 2990, 3151, 3562, 3979, 4498, 6302, 7958, 8905, 11245, 15755, 17810, 19895, 22490, 23701, 31510, 39790, 40963, 47402, 51727, 81926, 103454, 118505, 204815, 237010, 258635, 308113, 409630, 517270, 545123, 616226, 1090246, 1540565, 2725615, 3081130, 5451230, 7086599, 14173198, 35432995, 70865990]

約数ペア:

[(1, 70865990), (2, 35432995), (5, 14173198), (10, 7086599), (13, 5451230), (23, 3081130), (26, 2725615), (46, 1540565), (65, 1090246), (115, 616226), (130, 545123), (137, 517270), (173, 409630), (230, 308113), (274, 258635), (299, 237010), (346, 204815), (598, 118505), (685, 103454), (865, 81926), (1370, 51727), (1495, 47402), (1730, 40963), (1781, 39790), (2249, 31510), (2990, 23701), (3151, 22490), (3562, 19895), (3979, 17810), (4498, 15755), (6302, 11245), (7958, 8905)]