201205880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{659}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 481140000

約数和(自身を除く): 279934120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 449, 659, 680, 898, 1318, 1796, 2245, 2636, 3295, 3592, 4490, 5272, 6590, 7633, 8980, 11203, 13180, 15266, 17960, 22406, 26360, 30532, 38165, 44812, 56015, 61064, 76330, 89624, 112030, 152660, 224060, 295891, 305320, 448120, 591782, 1183564, 1479455, 2367128, 2958910, 5030147, 5917820, 10060294, 11835640, 20120588, 25150735, 40241176, 50301470, 100602940, 201205880]

約数ペア:

[(1, 201205880), (2, 100602940), (4, 50301470), (5, 40241176), (8, 25150735), (10, 20120588), (17, 11835640), (20, 10060294), (34, 5917820), (40, 5030147), (68, 2958910), (85, 2367128), (136, 1479455), (170, 1183564), (340, 591782), (449, 448120), (659, 305320), (680, 295891), (898, 224060), (1318, 152660), (1796, 112030), (2245, 89624), (2636, 76330), (3295, 61064), (3592, 56015), (4490, 44812), (5272, 38165), (6590, 30532), (7633, 26360), (8980, 22406), (11203, 17960), (13180, 15266)]