1900789040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 4836547584

約数和(自身を除く): 2935758544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 131, 136, 170, 188, 227, 235, 262, 272, 340, 376, 454, 470, 524, 655, 680, 752, 799, 908, 940, 1048, 1135, 1310, 1360, 1598, 1816, 1880, 2096, 2227, 2270, 2620, 3196, 3632, 3760, 3859, 3995, 4454, 4540, 5240, 6157, 6392, 7718, 7990, 8908, 9080, 10480, 10669, 11135, 12314, 12784, 15436, 15980, 17816, 18160, 19295, 21338, 22270, 24628, 29737, 30785, 30872, 31960, 35632, 38590, 42676, 44540, 49256, 53345, 59474, 61570, 61744, 63920, 77180, 85352, 89080, 98512, 104669, 106690, 118948, 123140, 148685, 154360, 170704, 178160, 181373, 209338, 213380, 237896, 246280, 297370, 308720, 362746, 418676, 426760, 475792, 492560, 505529, 523345, 594740, 725492, 837352, 853520, 906865, 1011058, 1046690, 1189480, 1397639, 1450984, 1674704, 1813730, 2022116, 2093380, 2378960, 2527645, 2795278, 2901968, 3627460, 4044232, 4186760, 5055290, 5590556, 6988195, 7254920, 8088464, 8373520, 10110580, 11181112, 13976390, 14509840, 20221160, 22362224, 23759863, 27952780, 40442320, 47519726, 55905560, 95039452, 111811120, 118799315, 190078904, 237598630, 380157808, 475197260, 950394520, 1900789040]

約数ペア:

[(1, 1900789040), (2, 950394520), (4, 475197260), (5, 380157808), (8, 237598630), (10, 190078904), (16, 118799315), (17, 111811120), (20, 95039452), (34, 55905560), (40, 47519726), (47, 40442320), (68, 27952780), (80, 23759863), (85, 22362224), (94, 20221160), (131, 14509840), (136, 13976390), (170, 11181112), (188, 10110580), (227, 8373520), (235, 8088464), (262, 7254920), (272, 6988195), (340, 5590556), (376, 5055290), (454, 4186760), (470, 4044232), (524, 3627460), (655, 2901968), (680, 2795278), (752, 2527645), (799, 2378960), (908, 2093380), (940, 2022116), (1048, 1813730), (1135, 1674704), (1310, 1450984), (1360, 1397639), (1598, 1189480), (1816, 1046690), (1880, 1011058), (2096, 906865), (2227, 853520), (2270, 837352), (2620, 725492), (3196, 594740), (3632, 523345), (3760, 505529), (3859, 492560), (3995, 475792), (4454, 426760), (4540, 418676), (5240, 362746), (6157, 308720), (6392, 297370), (7718, 246280), (7990, 237896), (8908, 213380), (9080, 209338), (10480, 181373), (10669, 178160), (11135, 170704), (12314, 154360), (12784, 148685), (15436, 123140), (15980, 118948), (17816, 106690), (18160, 104669), (19295, 98512), (21338, 89080), (22270, 85352), (24628, 77180), (29737, 63920), (30785, 61744), (30872, 61570), (31960, 59474), (35632, 53345), (38590, 49256), (42676, 44540)]