11911240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 31026240

約数和(自身を除く): 19115000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 107, 110, 115, 121, 184, 214, 220, 230, 242, 253, 428, 440, 460, 484, 506, 535, 605, 856, 920, 968, 1012, 1070, 1177, 1210, 1265, 2024, 2140, 2354, 2420, 2461, 2530, 2783, 4280, 4708, 4840, 4922, 5060, 5566, 5885, 9416, 9844, 10120, 11132, 11770, 12305, 12947, 13915, 19688, 22264, 23540, 24610, 25894, 27071, 27830, 47080, 49220, 51788, 54142, 55660, 64735, 98440, 103576, 108284, 111320, 129470, 135355, 216568, 258940, 270710, 297781, 517880, 541420, 595562, 1082840, 1191124, 1488905, 2382248, 2977810, 5955620, 11911240]

約数ペア:

[(1, 11911240), (2, 5955620), (4, 2977810), (5, 2382248), (8, 1488905), (10, 1191124), (11, 1082840), (20, 595562), (22, 541420), (23, 517880), (40, 297781), (44, 270710), (46, 258940), (55, 216568), (88, 135355), (92, 129470), (107, 111320), (110, 108284), (115, 103576), (121, 98440), (184, 64735), (214, 55660), (220, 54142), (230, 51788), (242, 49220), (253, 47080), (428, 27830), (440, 27071), (460, 25894), (484, 24610), (506, 23540), (535, 22264), (605, 19688), (856, 13915), (920, 12947), (968, 12305), (1012, 11770), (1070, 11132), (1177, 10120), (1210, 9844), (1265, 9416), (2024, 5885), (2140, 5566), (2354, 5060), (2420, 4922), (2461, 4840), (2530, 4708), (2783, 4280)]