18700778850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{9619}}^1$

素因数の和:10644

約数の個数: 96

約数和(自身を含む): 50000758080

約数和(自身を除く): 31299979230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 997, 1950, 1994, 2991, 4985, 5982, 9619, 9970, 12961, 14955, 19238, 24925, 25922, 28857, 29910, 38883, 48095, 49850, 57714, 64805, 74775, 77766, 96190, 125047, 129610, 144285, 149550, 194415, 240475, 250094, 288570, 324025, 375141, 388830, 480950, 625235, 648050, 721425, 750282, 972075, 1250470, 1442850, 1875705, 1944150, 3126175, 3751410, 6252350, 9378525, 9590143, 18757050, 19180286, 28770429, 47950715, 57540858, 95901430, 124671859, 143852145, 239753575, 249343718, 287704290, 374015577, 479507150, 623359295, 719260725, 748031154, 1246718590, 1438521450, 1870077885, 3116796475, 3740155770, 6233592950, 9350389425, 18700778850]

約数ペア:

[(1, 18700778850), (2, 9350389425), (3, 6233592950), (5, 3740155770), (6, 3116796475), (10, 1870077885), (13, 1438521450), (15, 1246718590), (25, 748031154), (26, 719260725), (30, 623359295), (39, 479507150), (50, 374015577), (65, 287704290), (75, 249343718), (78, 239753575), (130, 143852145), (150, 124671859), (195, 95901430), (325, 57540858), (390, 47950715), (650, 28770429), (975, 19180286), (997, 18757050), (1950, 9590143), (1994, 9378525), (2991, 6252350), (4985, 3751410), (5982, 3126175), (9619, 1944150), (9970, 1875705), (12961, 1442850), (14955, 1250470), (19238, 972075), (24925, 750282), (25922, 721425), (28857, 648050), (29910, 625235), (38883, 480950), (48095, 388830), (49850, 375141), (57714, 324025), (64805, 288570), (74775, 250094), (77766, 240475), (96190, 194415), (125047, 149550), (129610, 144285)]