211679820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9719}}^1$

素因数の和:9756

約数の個数: 108

約数和(自身を含む): 705846960

約数和(自身を除く): 494167140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9719, 10890, 19438, 21780, 29157, 38876, 48595, 58314, 87471, 97190, 106909, 116628, 145785, 174942, 194380, 213818, 291570, 320727, 349884, 427636, 437355, 534545, 583140, 641454, 874710, 962181, 1069090, 1175999, 1282908, 1603635, 1749420, 1924362, 2138180, 2351998, 3207270, 3527997, 3848724, 4703996, 4810905, 5879995, 6414540, 7055994, 9621810, 10583991, 11759990, 14111988, 17639985, 19243620, 21167982, 23519980, 35279970, 42335964, 52919955, 70559940, 105839910, 211679820]

約数ペア:

[(1, 211679820), (2, 105839910), (3, 70559940), (4, 52919955), (5, 42335964), (6, 35279970), (9, 23519980), (10, 21167982), (11, 19243620), (12, 17639985), (15, 14111988), (18, 11759990), (20, 10583991), (22, 9621810), (30, 7055994), (33, 6414540), (36, 5879995), (44, 4810905), (45, 4703996), (55, 3848724), (60, 3527997), (66, 3207270), (90, 2351998), (99, 2138180), (110, 1924362), (121, 1749420), (132, 1603635), (165, 1282908), (180, 1175999), (198, 1069090), (220, 962181), (242, 874710), (330, 641454), (363, 583140), (396, 534545), (484, 437355), (495, 427636), (605, 349884), (660, 320727), (726, 291570), (990, 213818), (1089, 194380), (1210, 174942), (1452, 145785), (1815, 116628), (1980, 106909), (2178, 97190), (2420, 87471), (3630, 58314), (4356, 48595), (5445, 38876), (7260, 29157), (9719, 21780), (10890, 19438)]