211301128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 428904000

約数和(自身を除く): 217602872

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 137, 139, 146, 152, 274, 278, 292, 548, 556, 584, 1096, 1112, 1387, 2603, 2641, 2774, 5206, 5282, 5548, 10001, 10147, 10412, 10564, 11096, 19043, 20002, 20294, 20824, 21128, 38086, 40004, 40588, 76172, 80008, 81176, 152344, 190019, 192793, 361817, 380038, 385586, 723634, 760076, 771172, 1390139, 1447268, 1520152, 1542344, 2780278, 2894536, 5560556, 11121112, 26412641, 52825282, 105650564, 211301128]

約数ペア:

[(1, 211301128), (2, 105650564), (4, 52825282), (8, 26412641), (19, 11121112), (38, 5560556), (73, 2894536), (76, 2780278), (137, 1542344), (139, 1520152), (146, 1447268), (152, 1390139), (274, 771172), (278, 760076), (292, 723634), (548, 385586), (556, 380038), (584, 361817), (1096, 192793), (1112, 190019), (1387, 152344), (2603, 81176), (2641, 80008), (2774, 76172), (5206, 40588), (5282, 40004), (5548, 38086), (10001, 21128), (10147, 20824), (10412, 20294), (10564, 20002), (11096, 19043)]