21394119200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{6121}}^1$

素因数の和:6415

約数の個数: 144

約数和(自身を含む): 55524899304

約数和(自身を除く): 34130780104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 257, 272, 340, 400, 425, 514, 544, 680, 800, 850, 1028, 1285, 1360, 1700, 2056, 2570, 2720, 3400, 4112, 4369, 5140, 6121, 6425, 6800, 8224, 8738, 10280, 12242, 12850, 13600, 17476, 20560, 21845, 24484, 25700, 30605, 34952, 41120, 43690, 48968, 51400, 61210, 69904, 87380, 97936, 102800, 104057, 109225, 122420, 139808, 153025, 174760, 195872, 205600, 208114, 218450, 244840, 306050, 349520, 416228, 436900, 489680, 520285, 612100, 699040, 832456, 873800, 979360, 1040570, 1224200, 1573097, 1664912, 1747600, 2081140, 2448400, 2601425, 3146194, 3329824, 3495200, 4162280, 4896800, 5202850, 6292388, 7865485, 8324560, 10405700, 12584776, 15730970, 16649120, 20811400, 25169552, 26742649, 31461940, 39327425, 41622800, 50339104, 53485298, 62923880, 78654850, 83245600, 106970596, 125847760, 133713245, 157309700, 213941192, 251695520, 267426490, 314619400, 427882384, 534852980, 629238800, 668566225, 855764768, 1069705960, 1258477600, 1337132450, 2139411920, 2674264900, 4278823840, 5348529800, 10697059600, 21394119200]

約数ペア:

[(1, 21394119200), (2, 10697059600), (4, 5348529800), (5, 4278823840), (8, 2674264900), (10, 2139411920), (16, 1337132450), (17, 1258477600), (20, 1069705960), (25, 855764768), (32, 668566225), (34, 629238800), (40, 534852980), (50, 427882384), (68, 314619400), (80, 267426490), (85, 251695520), (100, 213941192), (136, 157309700), (160, 133713245), (170, 125847760), (200, 106970596), (257, 83245600), (272, 78654850), (340, 62923880), (400, 53485298), (425, 50339104), (514, 41622800), (544, 39327425), (680, 31461940), (800, 26742649), (850, 25169552), (1028, 20811400), (1285, 16649120), (1360, 15730970), (1700, 12584776), (2056, 10405700), (2570, 8324560), (2720, 7865485), (3400, 6292388), (4112, 5202850), (4369, 4896800), (5140, 4162280), (6121, 3495200), (6425, 3329824), (6800, 3146194), (8224, 2601425), (8738, 2448400), (10280, 2081140), (12242, 1747600), (12850, 1664912), (13600, 1573097), (17476, 1224200), (20560, 1040570), (21845, 979360), (24484, 873800), (25700, 832456), (30605, 699040), (34952, 612100), (41120, 520285), (43690, 489680), (48968, 436900), (51400, 416228), (61210, 349520), (69904, 306050), (87380, 244840), (97936, 218450), (102800, 208114), (104057, 205600), (109225, 195872), (122420, 174760), (139808, 153025)]