2019421840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2601

約数の個数: 160

約数和(自身を含む): 5403939840

約数和(自身を除く): 3384518000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 170, 190, 248, 272, 304, 310, 323, 340, 380, 496, 527, 589, 620, 646, 680, 760, 1054, 1178, 1240, 1292, 1360, 1520, 1615, 2108, 2356, 2480, 2521, 2584, 2635, 2945, 3230, 4216, 4712, 5042, 5168, 5270, 5890, 6460, 8432, 9424, 10013, 10084, 10540, 11780, 12605, 12920, 20026, 20168, 21080, 23560, 25210, 25840, 40052, 40336, 42160, 42857, 47120, 47899, 50065, 50420, 78151, 80104, 85714, 95798, 100130, 100840, 156302, 160208, 171428, 191596, 200260, 201680, 214285, 239495, 312604, 342856, 383192, 390755, 400520, 428570, 478990, 625208, 685712, 766384, 781510, 801040, 814283, 857140, 957980, 1250416, 1328567, 1484869, 1563020, 1628566, 1714280, 1915960, 2657134, 2969738, 3126040, 3257132, 3428560, 3831920, 4071415, 5314268, 5939476, 6252080, 6514264, 6642835, 7424345, 8142830, 10628536, 11878952, 13028528, 13285670, 14848690, 16285660, 21257072, 23757904, 25242773, 26571340, 29697380, 32571320, 50485546, 53142680, 59394760, 65142640, 100971092, 106285360, 118789520, 126213865, 201942184, 252427730, 403884368, 504855460, 1009710920, 2019421840]

約数ペア:

[(1, 2019421840), (2, 1009710920), (4, 504855460), (5, 403884368), (8, 252427730), (10, 201942184), (16, 126213865), (17, 118789520), (19, 106285360), (20, 100971092), (31, 65142640), (34, 59394760), (38, 53142680), (40, 50485546), (62, 32571320), (68, 29697380), (76, 26571340), (80, 25242773), (85, 23757904), (95, 21257072), (124, 16285660), (136, 14848690), (152, 13285670), (155, 13028528), (170, 11878952), (190, 10628536), (248, 8142830), (272, 7424345), (304, 6642835), (310, 6514264), (323, 6252080), (340, 5939476), (380, 5314268), (496, 4071415), (527, 3831920), (589, 3428560), (620, 3257132), (646, 3126040), (680, 2969738), (760, 2657134), (1054, 1915960), (1178, 1714280), (1240, 1628566), (1292, 1563020), (1360, 1484869), (1520, 1328567), (1615, 1250416), (2108, 957980), (2356, 857140), (2480, 814283), (2521, 801040), (2584, 781510), (2635, 766384), (2945, 685712), (3230, 625208), (4216, 478990), (4712, 428570), (5042, 400520), (5168, 390755), (5270, 383192), (5890, 342856), (6460, 312604), (8432, 239495), (9424, 214285), (10013, 201680), (10084, 200260), (10540, 191596), (11780, 171428), (12605, 160208), (12920, 156302), (20026, 100840), (20168, 100130), (21080, 95798), (23560, 85714), (25210, 80104), (25840, 78151), (40052, 50420), (40336, 50065), (42160, 47899), (42857, 47120)]