198549900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 643847680

約数和(自身を除く): 445297780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 151, 180, 225, 270, 300, 302, 450, 453, 487, 540, 604, 675, 755, 900, 906, 974, 1350, 1359, 1461, 1510, 1812, 1948, 2265, 2435, 2700, 2718, 2922, 3020, 3775, 4077, 4383, 4530, 4870, 5436, 5844, 6795, 7305, 7550, 8154, 8766, 9060, 9740, 11325, 12175, 13149, 13590, 14610, 15100, 16308, 17532, 20385, 21915, 22650, 24350, 26298, 27180, 29220, 33975, 36525, 40770, 43830, 45300, 48700, 52596, 65745, 67950, 73050, 73537, 81540, 87660, 101925, 109575, 131490, 135900, 146100, 147074, 203850, 219150, 220611, 262980, 294148, 328725, 367685, 407700, 438300, 441222, 657450, 661833, 735370, 882444, 1103055, 1314900, 1323666, 1470740, 1838425, 1985499, 2206110, 2647332, 3309165, 3676850, 3970998, 4412220, 5515275, 6618330, 7353700, 7941996, 9927495, 11030550, 13236660, 16545825, 19854990, 22061100, 33091650, 39709980, 49637475, 66183300, 99274950, 198549900]

約数ペア:

[(1, 198549900), (2, 99274950), (3, 66183300), (4, 49637475), (5, 39709980), (6, 33091650), (9, 22061100), (10, 19854990), (12, 16545825), (15, 13236660), (18, 11030550), (20, 9927495), (25, 7941996), (27, 7353700), (30, 6618330), (36, 5515275), (45, 4412220), (50, 3970998), (54, 3676850), (60, 3309165), (75, 2647332), (90, 2206110), (100, 1985499), (108, 1838425), (135, 1470740), (150, 1323666), (151, 1314900), (180, 1103055), (225, 882444), (270, 735370), (300, 661833), (302, 657450), (450, 441222), (453, 438300), (487, 407700), (540, 367685), (604, 328725), (675, 294148), (755, 262980), (900, 220611), (906, 219150), (974, 203850), (1350, 147074), (1359, 146100), (1461, 135900), (1510, 131490), (1812, 109575), (1948, 101925), (2265, 87660), (2435, 81540), (2700, 73537), (2718, 73050), (2922, 67950), (3020, 65745), (3775, 52596), (4077, 48700), (4383, 45300), (4530, 43830), (4870, 40770), (5436, 36525), (5844, 33975), (6795, 29220), (7305, 27180), (7550, 26298), (8154, 24350), (8766, 22650), (9060, 21915), (9740, 20385), (11325, 17532), (12175, 16308), (13149, 15100), (13590, 14610)]