181866100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 461776000

約数和(自身を除く): 279909900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 37, 38, 50, 52, 65, 74, 76, 95, 100, 130, 148, 185, 190, 199, 247, 260, 325, 370, 380, 398, 475, 481, 494, 650, 703, 740, 796, 925, 950, 962, 988, 995, 1235, 1300, 1406, 1850, 1900, 1924, 1990, 2405, 2470, 2587, 2812, 3515, 3700, 3781, 3980, 4810, 4940, 4975, 5174, 6175, 7030, 7363, 7562, 9139, 9620, 9950, 10348, 12025, 12350, 12935, 14060, 14726, 15124, 17575, 18278, 18905, 19900, 24050, 24700, 25870, 29452, 35150, 36556, 36815, 37810, 45695, 48100, 49153, 51740, 64675, 70300, 73630, 75620, 91390, 94525, 95719, 98306, 129350, 139897, 147260, 182780, 184075, 189050, 191438, 196612, 228475, 245765, 258700, 279794, 368150, 378100, 382876, 456950, 478595, 491530, 559588, 699485, 736300, 913900, 957190, 983060, 1228825, 1398970, 1818661, 1914380, 2392975, 2457650, 2797940, 3497425, 3637322, 4785950, 4915300, 6994850, 7274644, 9093305, 9571900, 13989700, 18186610, 36373220, 45466525, 90933050, 181866100]

約数ペア:

[(1, 181866100), (2, 90933050), (4, 45466525), (5, 36373220), (10, 18186610), (13, 13989700), (19, 9571900), (20, 9093305), (25, 7274644), (26, 6994850), (37, 4915300), (38, 4785950), (50, 3637322), (52, 3497425), (65, 2797940), (74, 2457650), (76, 2392975), (95, 1914380), (100, 1818661), (130, 1398970), (148, 1228825), (185, 983060), (190, 957190), (199, 913900), (247, 736300), (260, 699485), (325, 559588), (370, 491530), (380, 478595), (398, 456950), (475, 382876), (481, 378100), (494, 368150), (650, 279794), (703, 258700), (740, 245765), (796, 228475), (925, 196612), (950, 191438), (962, 189050), (988, 184075), (995, 182780), (1235, 147260), (1300, 139897), (1406, 129350), (1850, 98306), (1900, 95719), (1924, 94525), (1990, 91390), (2405, 75620), (2470, 73630), (2587, 70300), (2812, 64675), (3515, 51740), (3700, 49153), (3781, 48100), (3980, 45695), (4810, 37810), (4940, 36815), (4975, 36556), (5174, 35150), (6175, 29452), (7030, 25870), (7363, 24700), (7562, 24050), (9139, 19900), (9620, 18905), (9950, 18278), (10348, 17575), (12025, 15124), (12350, 14726), (12935, 14060)]