260951900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3975

約数の個数: 72

約数和(自身を含む): 628032720

約数和(自身を除く): 367080820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 550, 610, 671, 1100, 1220, 1342, 1525, 2684, 3050, 3355, 3889, 6100, 6710, 7778, 13420, 15556, 16775, 19445, 33550, 38890, 42779, 67100, 77780, 85558, 97225, 171116, 194450, 213895, 237229, 388900, 427790, 474458, 855580, 948916, 1069475, 1186145, 2138950, 2372290, 2609519, 4277900, 4744580, 5219038, 5930725, 10438076, 11861450, 13047595, 23722900, 26095190, 52190380, 65237975, 130475950, 260951900]

約数ペア:

[(1, 260951900), (2, 130475950), (4, 65237975), (5, 52190380), (10, 26095190), (11, 23722900), (20, 13047595), (22, 11861450), (25, 10438076), (44, 5930725), (50, 5219038), (55, 4744580), (61, 4277900), (100, 2609519), (110, 2372290), (122, 2138950), (220, 1186145), (244, 1069475), (275, 948916), (305, 855580), (550, 474458), (610, 427790), (671, 388900), (1100, 237229), (1220, 213895), (1342, 194450), (1525, 171116), (2684, 97225), (3050, 85558), (3355, 77780), (3889, 67100), (6100, 42779), (6710, 38890), (7778, 33550), (13420, 19445), (15556, 16775)]