1329404440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{701}}^1$

素因数の和:1253

約数の個数: 128

約数和(自身を含む): 3693755520

約数和(自身を除く): 2364351080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 521, 701, 728, 910, 1042, 1402, 1820, 2084, 2605, 2804, 3505, 3640, 3647, 4168, 4907, 5210, 5608, 6773, 7010, 7294, 9113, 9814, 10420, 13546, 14020, 14588, 18226, 18235, 19628, 20840, 24535, 27092, 28040, 29176, 33865, 36452, 36470, 39256, 45565, 47411, 49070, 54184, 63791, 67730, 72904, 72940, 91130, 94822, 98140, 127582, 135460, 145880, 182260, 189644, 196280, 237055, 255164, 270920, 318955, 364520, 365221, 379288, 474110, 510328, 637910, 730442, 948220, 1275820, 1460884, 1826105, 1896440, 2551640, 2556547, 2921768, 3652210, 4747873, 5113094, 7304420, 9495746, 10226188, 12782735, 14608840, 18991492, 20452376, 23739365, 25565470, 33235111, 37982984, 47478730, 51130940, 66470222, 94957460, 102261880, 132940444, 166175555, 189914920, 265880888, 332351110, 664702220, 1329404440]

約数ペア:

[(1, 1329404440), (2, 664702220), (4, 332351110), (5, 265880888), (7, 189914920), (8, 166175555), (10, 132940444), (13, 102261880), (14, 94957460), (20, 66470222), (26, 51130940), (28, 47478730), (35, 37982984), (40, 33235111), (52, 25565470), (56, 23739365), (65, 20452376), (70, 18991492), (91, 14608840), (104, 12782735), (130, 10226188), (140, 9495746), (182, 7304420), (260, 5113094), (280, 4747873), (364, 3652210), (455, 2921768), (520, 2556547), (521, 2551640), (701, 1896440), (728, 1826105), (910, 1460884), (1042, 1275820), (1402, 948220), (1820, 730442), (2084, 637910), (2605, 510328), (2804, 474110), (3505, 379288), (3640, 365221), (3647, 364520), (4168, 318955), (4907, 270920), (5210, 255164), (5608, 237055), (6773, 196280), (7010, 189644), (7294, 182260), (9113, 145880), (9814, 135460), (10420, 127582), (13546, 98140), (14020, 94822), (14588, 91130), (18226, 72940), (18235, 72904), (19628, 67730), (20840, 63791), (24535, 54184), (27092, 49070), (28040, 47411), (29176, 45565), (33865, 39256), (36452, 36470)]