1900256120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1237

約数の個数: 128

約数和(自身を含む): 5160844800

約数和(自身を除く): 3260588680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 547, 653, 665, 760, 1064, 1094, 1306, 1330, 2188, 2612, 2660, 2735, 3265, 3829, 4376, 4571, 5224, 5320, 5470, 6530, 7658, 9142, 10393, 10940, 12407, 13060, 15316, 18284, 19145, 20786, 21880, 22855, 24814, 26120, 30632, 36568, 38290, 41572, 45710, 49628, 51965, 62035, 72751, 76580, 83144, 86849, 91420, 99256, 103930, 124070, 145502, 153160, 173698, 182840, 207860, 248140, 291004, 347396, 357191, 363755, 415720, 434245, 496280, 582008, 694792, 714382, 727510, 868490, 1428764, 1455020, 1736980, 1785955, 2500337, 2857528, 2910040, 3473960, 3571910, 5000674, 6786629, 7143820, 10001348, 12501685, 13573258, 14287640, 20002696, 25003370, 27146516, 33933145, 47506403, 50006740, 54293032, 67866290, 95012806, 100013480, 135732580, 190025612, 237532015, 271465160, 380051224, 475064030, 950128060, 1900256120]

約数ペア:

[(1, 1900256120), (2, 950128060), (4, 475064030), (5, 380051224), (7, 271465160), (8, 237532015), (10, 190025612), (14, 135732580), (19, 100013480), (20, 95012806), (28, 67866290), (35, 54293032), (38, 50006740), (40, 47506403), (56, 33933145), (70, 27146516), (76, 25003370), (95, 20002696), (133, 14287640), (140, 13573258), (152, 12501685), (190, 10001348), (266, 7143820), (280, 6786629), (380, 5000674), (532, 3571910), (547, 3473960), (653, 2910040), (665, 2857528), (760, 2500337), (1064, 1785955), (1094, 1736980), (1306, 1455020), (1330, 1428764), (2188, 868490), (2612, 727510), (2660, 714382), (2735, 694792), (3265, 582008), (3829, 496280), (4376, 434245), (4571, 415720), (5224, 363755), (5320, 357191), (5470, 347396), (6530, 291004), (7658, 248140), (9142, 207860), (10393, 182840), (10940, 173698), (12407, 153160), (13060, 145502), (15316, 124070), (18284, 103930), (19145, 99256), (20786, 91420), (21880, 86849), (22855, 83144), (24814, 76580), (26120, 72751), (30632, 62035), (36568, 51965), (38290, 49628), (41572, 45710)]