123457950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 216

約数和(自身を含む): 421747560

約数和(自身を除く): 298289610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 49, 50, 55, 63, 66, 70, 75, 77, 90, 98, 99, 105, 110, 126, 147, 150, 154, 165, 175, 198, 210, 225, 231, 245, 275, 294, 315, 330, 350, 385, 441, 450, 462, 490, 495, 509, 525, 539, 550, 630, 693, 735, 770, 825, 882, 990, 1018, 1050, 1078, 1155, 1225, 1386, 1470, 1527, 1575, 1617, 1650, 1925, 2205, 2310, 2450, 2475, 2545, 2695, 3054, 3150, 3234, 3465, 3563, 3675, 3850, 4410, 4581, 4851, 4950, 5090, 5390, 5599, 5775, 6930, 7126, 7350, 7635, 8085, 9162, 9702, 10689, 11025, 11198, 11550, 12725, 13475, 15270, 16170, 16797, 17325, 17815, 21378, 22050, 22905, 24255, 24941, 25450, 26950, 27995, 32067, 33594, 34650, 35630, 38175, 39193, 40425, 45810, 48510, 49882, 50391, 53445, 55990, 64134, 74823, 76350, 78386, 80850, 83985, 89075, 100782, 106890, 114525, 117579, 121275, 124705, 139975, 149646, 160335, 167970, 178150, 195965, 224469, 229050, 235158, 242550, 249410, 251955, 267225, 274351, 279950, 320670, 352737, 374115, 391930, 419925, 448938, 503910, 534450, 548702, 587895, 623525, 705474, 748230, 801675, 823053, 839850, 979825, 1122345, 1175790, 1247050, 1259775, 1371755, 1603350, 1646106, 1763685, 1870575, 1959650, 2244690, 2469159, 2519550, 2743510, 2939475, 3527370, 3741150, 4115265, 4938318, 5611725, 5878950, 6858775, 8230530, 8818425, 11223450, 12345795, 13717550, 17636850, 20576325, 24691590, 41152650, 61728975, 123457950]

約数ペア:

[(1, 123457950), (2, 61728975), (3, 41152650), (5, 24691590), (6, 20576325), (7, 17636850), (9, 13717550), (10, 12345795), (11, 11223450), (14, 8818425), (15, 8230530), (18, 6858775), (21, 5878950), (22, 5611725), (25, 4938318), (30, 4115265), (33, 3741150), (35, 3527370), (42, 2939475), (45, 2743510), (49, 2519550), (50, 2469159), (55, 2244690), (63, 1959650), (66, 1870575), (70, 1763685), (75, 1646106), (77, 1603350), (90, 1371755), (98, 1259775), (99, 1247050), (105, 1175790), (110, 1122345), (126, 979825), (147, 839850), (150, 823053), (154, 801675), (165, 748230), (175, 705474), (198, 623525), (210, 587895), (225, 548702), (231, 534450), (245, 503910), (275, 448938), (294, 419925), (315, 391930), (330, 374115), (350, 352737), (385, 320670), (441, 279950), (450, 274351), (462, 267225), (490, 251955), (495, 249410), (509, 242550), (525, 235158), (539, 229050), (550, 224469), (630, 195965), (693, 178150), (735, 167970), (770, 160335), (825, 149646), (882, 139975), (990, 124705), (1018, 121275), (1050, 117579), (1078, 114525), (1155, 106890), (1225, 100782), (1386, 89075), (1470, 83985), (1527, 80850), (1575, 78386), (1617, 76350), (1650, 74823), (1925, 64134), (2205, 55990), (2310, 53445), (2450, 50391), (2475, 49882), (2545, 48510), (2695, 45810), (3054, 40425), (3150, 39193), (3234, 38175), (3465, 35630), (3563, 34650), (3675, 33594), (3850, 32067), (4410, 27995), (4581, 26950), (4851, 25450), (4950, 24941), (5090, 24255), (5390, 22905), (5599, 22050), (5775, 21378), (6930, 17815), (7126, 17325), (7350, 16797), (7635, 16170), (8085, 15270), (9162, 13475), (9702, 12725), (10689, 11550), (11025, 11198)]