2013188980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1399}}^1$

素因数の和:1661

約数の個数: 96

約数和(自身を含む): 4786790400

約数和(自身を除く): 2773601420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 211, 220, 310, 341, 422, 620, 682, 844, 1055, 1364, 1399, 1705, 2110, 2321, 2798, 3410, 4220, 4642, 5596, 6541, 6820, 6995, 9284, 11605, 13082, 13990, 15389, 23210, 26164, 27980, 30778, 32705, 43369, 46420, 61556, 65410, 71951, 76945, 86738, 130820, 143902, 153890, 173476, 216845, 287804, 295189, 307780, 359755, 433690, 477059, 590378, 719510, 867380, 954118, 1180756, 1439020, 1475945, 1908236, 2385295, 2951890, 3247079, 4770590, 5903780, 6494158, 9150859, 9541180, 12988316, 16235395, 18301718, 32470790, 36603436, 45754295, 64941580, 91508590, 100659449, 183017180, 201318898, 402637796, 503297245, 1006594490, 2013188980]

約数ペア:

[(1, 2013188980), (2, 1006594490), (4, 503297245), (5, 402637796), (10, 201318898), (11, 183017180), (20, 100659449), (22, 91508590), (31, 64941580), (44, 45754295), (55, 36603436), (62, 32470790), (110, 18301718), (124, 16235395), (155, 12988316), (211, 9541180), (220, 9150859), (310, 6494158), (341, 5903780), (422, 4770590), (620, 3247079), (682, 2951890), (844, 2385295), (1055, 1908236), (1364, 1475945), (1399, 1439020), (1705, 1180756), (2110, 954118), (2321, 867380), (2798, 719510), (3410, 590378), (4220, 477059), (4642, 433690), (5596, 359755), (6541, 307780), (6820, 295189), (6995, 287804), (9284, 216845), (11605, 173476), (13082, 153890), (13990, 143902), (15389, 130820), (23210, 86738), (26164, 76945), (27980, 71951), (30778, 65410), (32705, 61556), (43369, 46420)]