3969968240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{2551}}^1$

素因数の和:2975

約数の個数: 120

約数和(自身を含む): 10768408992

約数和(自身を除く): 6798440752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 397, 490, 560, 784, 794, 980, 1588, 1960, 1985, 2551, 2779, 3176, 3920, 3970, 5102, 5558, 6352, 7940, 10204, 11116, 12755, 13895, 15880, 17857, 19453, 20408, 22232, 25510, 27790, 31760, 35714, 38906, 40816, 44464, 51020, 55580, 71428, 77812, 89285, 97265, 102040, 111160, 124999, 142856, 155624, 178570, 194530, 204080, 222320, 249998, 285712, 311248, 357140, 389060, 499996, 624995, 714280, 778120, 999992, 1012747, 1249990, 1428560, 1556240, 1999984, 2025494, 2499980, 4050988, 4999960, 5063735, 7089229, 8101976, 9999920, 10127470, 14178458, 16203952, 20254940, 28356916, 35446145, 40509880, 49624603, 56713832, 70892290, 81019760, 99249206, 113427664, 141784580, 198498412, 248123015, 283569160, 396996824, 496246030, 567138320, 793993648, 992492060, 1984984120, 3969968240]

約数ペア:

[(1, 3969968240), (2, 1984984120), (4, 992492060), (5, 793993648), (7, 567138320), (8, 496246030), (10, 396996824), (14, 283569160), (16, 248123015), (20, 198498412), (28, 141784580), (35, 113427664), (40, 99249206), (49, 81019760), (56, 70892290), (70, 56713832), (80, 49624603), (98, 40509880), (112, 35446145), (140, 28356916), (196, 20254940), (245, 16203952), (280, 14178458), (392, 10127470), (397, 9999920), (490, 8101976), (560, 7089229), (784, 5063735), (794, 4999960), (980, 4050988), (1588, 2499980), (1960, 2025494), (1985, 1999984), (2551, 1556240), (2779, 1428560), (3176, 1249990), (3920, 1012747), (3970, 999992), (5102, 778120), (5558, 714280), (6352, 624995), (7940, 499996), (10204, 389060), (11116, 357140), (12755, 311248), (13895, 285712), (15880, 249998), (17857, 222320), (19453, 204080), (20408, 194530), (22232, 178570), (25510, 155624), (27790, 142856), (31760, 124999), (35714, 111160), (38906, 102040), (40816, 97265), (44464, 89285), (51020, 77812), (55580, 71428)]