199791990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1949}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 558511200

約数和(自身を除く): 358719210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 67, 85, 90, 102, 134, 153, 170, 201, 255, 306, 335, 402, 510, 603, 670, 765, 1005, 1139, 1206, 1530, 1949, 2010, 2278, 3015, 3417, 3898, 5695, 5847, 6030, 6834, 9745, 10251, 11390, 11694, 17085, 17541, 19490, 20502, 29235, 33133, 34170, 35082, 51255, 58470, 66266, 87705, 99399, 102510, 130583, 165665, 175410, 198798, 261166, 298197, 331330, 391749, 496995, 596394, 652915, 783498, 993990, 1175247, 1305830, 1490985, 1958745, 2219911, 2350494, 2981970, 3917490, 4439822, 5876235, 6659733, 11099555, 11752470, 13319466, 19979199, 22199110, 33298665, 39958398, 66597330, 99895995, 199791990]

約数ペア:

[(1, 199791990), (2, 99895995), (3, 66597330), (5, 39958398), (6, 33298665), (9, 22199110), (10, 19979199), (15, 13319466), (17, 11752470), (18, 11099555), (30, 6659733), (34, 5876235), (45, 4439822), (51, 3917490), (67, 2981970), (85, 2350494), (90, 2219911), (102, 1958745), (134, 1490985), (153, 1305830), (170, 1175247), (201, 993990), (255, 783498), (306, 652915), (335, 596394), (402, 496995), (510, 391749), (603, 331330), (670, 298197), (765, 261166), (1005, 198798), (1139, 175410), (1206, 165665), (1530, 130583), (1949, 102510), (2010, 99399), (2278, 87705), (3015, 66266), (3417, 58470), (3898, 51255), (5695, 35082), (5847, 34170), (6030, 33133), (6834, 29235), (9745, 20502), (10251, 19490), (11390, 17541), (11694, 17085)]