489085240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2849

約数の個数: 128

約数和(自身を含む): 1368109440

約数和(自身を除く): 879024200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 476, 518, 595, 629, 680, 740, 952, 1036, 1190, 1258, 1295, 1480, 2072, 2380, 2516, 2590, 2777, 3145, 4403, 4760, 5032, 5180, 5554, 6290, 8806, 10360, 11108, 12580, 13885, 17612, 19439, 22015, 22216, 25160, 27770, 35224, 38878, 44030, 47209, 55540, 77756, 88060, 94418, 97195, 102749, 111080, 155512, 176120, 188836, 194390, 205498, 236045, 330463, 377672, 388780, 410996, 472090, 513745, 660926, 719243, 777560, 821992, 944180, 1027490, 1321852, 1438486, 1652315, 1746733, 1888360, 2054980, 2643704, 2876972, 3304630, 3493466, 3596215, 4109960, 5753944, 6609260, 6986932, 7192430, 8733665, 12227131, 13218520, 13973864, 14384860, 17467330, 24454262, 28769720, 34934660, 48908524, 61135655, 69869320, 97817048, 122271310, 244542620, 489085240]

約数ペア:

[(1, 489085240), (2, 244542620), (4, 122271310), (5, 97817048), (7, 69869320), (8, 61135655), (10, 48908524), (14, 34934660), (17, 28769720), (20, 24454262), (28, 17467330), (34, 14384860), (35, 13973864), (37, 13218520), (40, 12227131), (56, 8733665), (68, 7192430), (70, 6986932), (74, 6609260), (85, 5753944), (119, 4109960), (136, 3596215), (140, 3493466), (148, 3304630), (170, 2876972), (185, 2643704), (238, 2054980), (259, 1888360), (280, 1746733), (296, 1652315), (340, 1438486), (370, 1321852), (476, 1027490), (518, 944180), (595, 821992), (629, 777560), (680, 719243), (740, 660926), (952, 513745), (1036, 472090), (1190, 410996), (1258, 388780), (1295, 377672), (1480, 330463), (2072, 236045), (2380, 205498), (2516, 194390), (2590, 188836), (2777, 176120), (3145, 155512), (4403, 111080), (4760, 102749), (5032, 97195), (5180, 94418), (5554, 88060), (6290, 77756), (8806, 55540), (10360, 47209), (11108, 44030), (12580, 38878), (13885, 35224), (17612, 27770), (19439, 25160), (22015, 22216)]