201154720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 517578768

約数和(自身を除く): 316424048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 194, 208, 260, 388, 416, 485, 520, 776, 970, 997, 1040, 1261, 1552, 1940, 1994, 2080, 2522, 3104, 3880, 3988, 4985, 5044, 6305, 7760, 7976, 9970, 10088, 12610, 12961, 15520, 15952, 19940, 20176, 25220, 25922, 31904, 39880, 40352, 50440, 51844, 64805, 79760, 96709, 100880, 103688, 129610, 159520, 193418, 201760, 207376, 259220, 386836, 414752, 483545, 518440, 773672, 967090, 1036880, 1257217, 1547344, 1934180, 2073760, 2514434, 3094688, 3868360, 5028868, 6286085, 7736720, 10057736, 12572170, 15473440, 20115472, 25144340, 40230944, 50288680, 100577360, 201154720]

約数ペア:

[(1, 201154720), (2, 100577360), (4, 50288680), (5, 40230944), (8, 25144340), (10, 20115472), (13, 15473440), (16, 12572170), (20, 10057736), (26, 7736720), (32, 6286085), (40, 5028868), (52, 3868360), (65, 3094688), (80, 2514434), (97, 2073760), (104, 1934180), (130, 1547344), (160, 1257217), (194, 1036880), (208, 967090), (260, 773672), (388, 518440), (416, 483545), (485, 414752), (520, 386836), (776, 259220), (970, 207376), (997, 201760), (1040, 193418), (1261, 159520), (1552, 129610), (1940, 103688), (1994, 100880), (2080, 96709), (2522, 79760), (3104, 64805), (3880, 51844), (3988, 50440), (4985, 40352), (5044, 39880), (6305, 31904), (7760, 25922), (7976, 25220), (9970, 20176), (10088, 19940), (12610, 15952), (12961, 15520)]