20171851900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1297}}^1$

素因数の和:1544

約数の個数: 144

約数和(自身を含む): 47049488640

約数和(自身を除く): 26877636740

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 173, 290, 310, 346, 580, 620, 692, 725, 775, 865, 899, 1297, 1450, 1550, 1730, 1798, 2594, 2900, 3100, 3460, 3596, 4325, 4495, 5017, 5188, 5363, 6485, 8650, 8990, 10034, 10726, 12970, 17300, 17980, 20068, 21452, 22475, 25085, 25940, 26815, 32425, 37613, 40207, 44950, 50170, 53630, 64850, 75226, 80414, 89900, 100340, 107260, 125425, 129700, 134075, 150452, 155527, 160828, 188065, 201035, 224381, 250850, 268150, 311054, 376130, 402070, 448762, 501700, 536300, 622108, 752260, 777635, 804140, 897524, 940325, 1005175, 1121905, 1166003, 1555270, 1880650, 2010350, 2243810, 2332006, 3110540, 3761300, 3888175, 4020700, 4487620, 4664012, 5609525, 5830015, 6507049, 6955811, 7776350, 11219050, 11660030, 13014098, 13911622, 15552700, 22438100, 23320060, 26028196, 27823244, 29150075, 32535245, 34779055, 58300150, 65070490, 69558110, 116600300, 130140980, 139116220, 162676225, 173895275, 201718519, 325352450, 347790550, 403437038, 650704900, 695581100, 806874076, 1008592595, 2017185190, 4034370380, 5042962975, 10085925950, 20171851900]

約数ペア:

[(1, 20171851900), (2, 10085925950), (4, 5042962975), (5, 4034370380), (10, 2017185190), (20, 1008592595), (25, 806874076), (29, 695581100), (31, 650704900), (50, 403437038), (58, 347790550), (62, 325352450), (100, 201718519), (116, 173895275), (124, 162676225), (145, 139116220), (155, 130140980), (173, 116600300), (290, 69558110), (310, 65070490), (346, 58300150), (580, 34779055), (620, 32535245), (692, 29150075), (725, 27823244), (775, 26028196), (865, 23320060), (899, 22438100), (1297, 15552700), (1450, 13911622), (1550, 13014098), (1730, 11660030), (1798, 11219050), (2594, 7776350), (2900, 6955811), (3100, 6507049), (3460, 5830015), (3596, 5609525), (4325, 4664012), (4495, 4487620), (5017, 4020700), (5188, 3888175), (5363, 3761300), (6485, 3110540), (8650, 2332006), (8990, 2243810), (10034, 2010350), (10726, 1880650), (12970, 1555270), (17300, 1166003), (17980, 1121905), (20068, 1005175), (21452, 940325), (22475, 897524), (25085, 804140), (25940, 777635), (26815, 752260), (32425, 622108), (37613, 536300), (40207, 501700), (44950, 448762), (50170, 402070), (53630, 376130), (64850, 311054), (75226, 268150), (80414, 250850), (89900, 224381), (100340, 201035), (107260, 188065), (125425, 160828), (129700, 155527), (134075, 150452)]