242318780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 96

約数和(自身を含む): 604800000

約数和(自身を除く): 362481220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 290, 319, 380, 418, 551, 580, 638, 836, 1045, 1102, 1276, 1595, 1999, 2090, 2204, 2755, 3190, 3998, 4180, 5510, 6061, 6380, 7996, 9995, 11020, 12122, 19990, 21989, 24244, 30305, 37981, 39980, 43978, 57971, 60610, 75962, 87956, 109945, 115942, 121220, 151924, 189905, 219890, 231884, 289855, 379810, 417791, 439780, 579710, 637681, 759620, 835582, 1101449, 1159420, 1275362, 1671164, 2088955, 2202898, 2550724, 3188405, 4177910, 4405796, 5507245, 6376810, 8355820, 11014490, 12115939, 12753620, 22028980, 24231878, 48463756, 60579695, 121159390, 242318780]

約数ペア:

[(1, 242318780), (2, 121159390), (4, 60579695), (5, 48463756), (10, 24231878), (11, 22028980), (19, 12753620), (20, 12115939), (22, 11014490), (29, 8355820), (38, 6376810), (44, 5507245), (55, 4405796), (58, 4177910), (76, 3188405), (95, 2550724), (110, 2202898), (116, 2088955), (145, 1671164), (190, 1275362), (209, 1159420), (220, 1101449), (290, 835582), (319, 759620), (380, 637681), (418, 579710), (551, 439780), (580, 417791), (638, 379810), (836, 289855), (1045, 231884), (1102, 219890), (1276, 189905), (1595, 151924), (1999, 121220), (2090, 115942), (2204, 109945), (2755, 87956), (3190, 75962), (3998, 60610), (4180, 57971), (5510, 43978), (6061, 39980), (6380, 37981), (7996, 30305), (9995, 24244), (11020, 21989), (12122, 19990)]