331997600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1279

約数の個数: 144

約数和(自身を含む): 913441536

約数和(自身を除く): 581443936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 550, 620, 682, 775, 800, 880, 992, 1100, 1217, 1240, 1364, 1550, 1705, 1760, 2200, 2434, 2480, 2728, 3100, 3410, 4400, 4868, 4960, 5456, 6085, 6200, 6820, 8525, 8800, 9736, 10912, 12170, 12400, 13387, 13640, 17050, 19472, 24340, 24800, 26774, 27280, 30425, 34100, 37727, 38944, 48680, 53548, 54560, 60850, 66935, 68200, 75454, 97360, 107096, 121700, 133870, 136400, 150908, 188635, 194720, 214192, 243400, 267740, 272800, 301816, 334675, 377270, 414997, 428384, 486800, 535480, 603632, 669350, 754540, 829994, 943175, 973600, 1070960, 1207264, 1338700, 1509080, 1659988, 1886350, 2074985, 2141920, 2677400, 3018160, 3319976, 3772700, 4149970, 5354800, 6036320, 6639952, 7545400, 8299940, 10374925, 10709600, 13279904, 15090800, 16599880, 20749850, 30181600, 33199760, 41499700, 66399520, 82999400, 165998800, 331997600]

約数ペア:

[(1, 331997600), (2, 165998800), (4, 82999400), (5, 66399520), (8, 41499700), (10, 33199760), (11, 30181600), (16, 20749850), (20, 16599880), (22, 15090800), (25, 13279904), (31, 10709600), (32, 10374925), (40, 8299940), (44, 7545400), (50, 6639952), (55, 6036320), (62, 5354800), (80, 4149970), (88, 3772700), (100, 3319976), (110, 3018160), (124, 2677400), (155, 2141920), (160, 2074985), (176, 1886350), (200, 1659988), (220, 1509080), (248, 1338700), (275, 1207264), (310, 1070960), (341, 973600), (352, 943175), (400, 829994), (440, 754540), (496, 669350), (550, 603632), (620, 535480), (682, 486800), (775, 428384), (800, 414997), (880, 377270), (992, 334675), (1100, 301816), (1217, 272800), (1240, 267740), (1364, 243400), (1550, 214192), (1705, 194720), (1760, 188635), (2200, 150908), (2434, 136400), (2480, 133870), (2728, 121700), (3100, 107096), (3410, 97360), (4400, 75454), (4868, 68200), (4960, 66935), (5456, 60850), (6085, 54560), (6200, 53548), (6820, 48680), (8525, 38944), (8800, 37727), (9736, 34100), (10912, 30425), (12170, 27280), (12400, 26774), (13387, 24800), (13640, 24340), (17050, 19472)]