1249115780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 2923361280

約数和(自身を除く): 1674245500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 211, 220, 284, 355, 379, 422, 710, 758, 781, 844, 1055, 1420, 1516, 1562, 1895, 2110, 2321, 3124, 3790, 3905, 4169, 4220, 4642, 7580, 7810, 8338, 9284, 11605, 14981, 15620, 16676, 20845, 23210, 26909, 29962, 41690, 46420, 53818, 59924, 74905, 79969, 83380, 107636, 134545, 149810, 159938, 164791, 269090, 295999, 299620, 319876, 329582, 399845, 538180, 591998, 659164, 799690, 823955, 879659, 1183996, 1479995, 1599380, 1647910, 1759318, 2959990, 3295820, 3518636, 4398295, 5677799, 5919980, 8796590, 11355598, 17593180, 22711196, 28388995, 56777990, 62455789, 113555980, 124911578, 249823156, 312278945, 624557890, 1249115780]

約数ペア:

[(1, 1249115780), (2, 624557890), (4, 312278945), (5, 249823156), (10, 124911578), (11, 113555980), (20, 62455789), (22, 56777990), (44, 28388995), (55, 22711196), (71, 17593180), (110, 11355598), (142, 8796590), (211, 5919980), (220, 5677799), (284, 4398295), (355, 3518636), (379, 3295820), (422, 2959990), (710, 1759318), (758, 1647910), (781, 1599380), (844, 1479995), (1055, 1183996), (1420, 879659), (1516, 823955), (1562, 799690), (1895, 659164), (2110, 591998), (2321, 538180), (3124, 399845), (3790, 329582), (3905, 319876), (4169, 299620), (4220, 295999), (4642, 269090), (7580, 164791), (7810, 159938), (8338, 149810), (9284, 134545), (11605, 107636), (14981, 83380), (15620, 79969), (16676, 74905), (20845, 59924), (23210, 53818), (26909, 46420), (29962, 41690)]