203242140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3907}}^1$

素因数の和:3956

約数の個数: 108

約数和(自身を含む): 655066776

約数和(自身を除く): 451824636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 3907, 4335, 5202, 5780, 7814, 8670, 10404, 11721, 13005, 15628, 17340, 19535, 23442, 26010, 35163, 39070, 46884, 52020, 58605, 66419, 70326, 78140, 117210, 132838, 140652, 175815, 199257, 234420, 265676, 332095, 351630, 398514, 597771, 664190, 703260, 797028, 996285, 1129123, 1195542, 1328380, 1992570, 2258246, 2391084, 2988855, 3387369, 3985140, 4516492, 5645615, 5977710, 6774738, 10162107, 11291230, 11955420, 13549476, 16936845, 20324214, 22582460, 33873690, 40648428, 50810535, 67747380, 101621070, 203242140]

約数ペア:

[(1, 203242140), (2, 101621070), (3, 67747380), (4, 50810535), (5, 40648428), (6, 33873690), (9, 22582460), (10, 20324214), (12, 16936845), (15, 13549476), (17, 11955420), (18, 11291230), (20, 10162107), (30, 6774738), (34, 5977710), (36, 5645615), (45, 4516492), (51, 3985140), (60, 3387369), (68, 2988855), (85, 2391084), (90, 2258246), (102, 1992570), (153, 1328380), (170, 1195542), (180, 1129123), (204, 996285), (255, 797028), (289, 703260), (306, 664190), (340, 597771), (510, 398514), (578, 351630), (612, 332095), (765, 265676), (867, 234420), (1020, 199257), (1156, 175815), (1445, 140652), (1530, 132838), (1734, 117210), (2601, 78140), (2890, 70326), (3060, 66419), (3468, 58605), (3907, 52020), (4335, 46884), (5202, 39070), (5780, 35163), (7814, 26010), (8670, 23442), (10404, 19535), (11721, 17340), (13005, 15628)]