401027900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 1082597376

約数和(自身を除く): 681569476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 127, 130, 140, 175, 182, 254, 260, 325, 347, 350, 364, 455, 508, 635, 650, 694, 700, 889, 910, 1270, 1300, 1388, 1651, 1735, 1778, 1820, 2275, 2429, 2540, 3175, 3302, 3470, 3556, 4445, 4511, 4550, 4858, 6350, 6604, 6940, 8255, 8675, 8890, 9022, 9100, 9716, 11557, 12145, 12700, 16510, 17350, 17780, 18044, 22225, 22555, 23114, 24290, 31577, 33020, 34700, 41275, 44069, 44450, 45110, 46228, 48580, 57785, 60725, 63154, 82550, 88138, 88900, 90220, 112775, 115570, 121450, 126308, 157885, 165100, 176276, 220345, 225550, 231140, 242900, 288925, 308483, 315770, 440690, 451100, 572897, 577850, 616966, 631540, 789425, 881380, 1101725, 1145794, 1155700, 1233932, 1542415, 1578850, 2203450, 2291588, 2864485, 3084830, 3157700, 4010279, 4406900, 5728970, 6169660, 7712075, 8020558, 11457940, 14322425, 15424150, 16041116, 20051395, 28644850, 30848300, 40102790, 57289700, 80205580, 100256975, 200513950, 401027900]

約数ペア:

[(1, 401027900), (2, 200513950), (4, 100256975), (5, 80205580), (7, 57289700), (10, 40102790), (13, 30848300), (14, 28644850), (20, 20051395), (25, 16041116), (26, 15424150), (28, 14322425), (35, 11457940), (50, 8020558), (52, 7712075), (65, 6169660), (70, 5728970), (91, 4406900), (100, 4010279), (127, 3157700), (130, 3084830), (140, 2864485), (175, 2291588), (182, 2203450), (254, 1578850), (260, 1542415), (325, 1233932), (347, 1155700), (350, 1145794), (364, 1101725), (455, 881380), (508, 789425), (635, 631540), (650, 616966), (694, 577850), (700, 572897), (889, 451100), (910, 440690), (1270, 315770), (1300, 308483), (1388, 288925), (1651, 242900), (1735, 231140), (1778, 225550), (1820, 220345), (2275, 176276), (2429, 165100), (2540, 157885), (3175, 126308), (3302, 121450), (3470, 115570), (3556, 112775), (4445, 90220), (4511, 88900), (4550, 88138), (4858, 82550), (6350, 63154), (6604, 60725), (6940, 57785), (8255, 48580), (8675, 46228), (8890, 45110), (9022, 44450), (9100, 44069), (9716, 41275), (11557, 34700), (12145, 33020), (12700, 31577), (16510, 24290), (17350, 23114), (17780, 22555), (18044, 22225)]