1898386980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{155861}}^1$

素因数の和:155909

約数の個数: 96

約数和(自身を含む): 6284355840

約数和(自身を除く): 4385968860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 155861, 311722, 467583, 623444, 779305, 935166, 1091027, 1558610, 1870332, 2182054, 2337915, 3117220, 3273081, 4364108, 4519969, 4675830, 5455135, 6546162, 9039938, 9351660, 10910270, 13092324, 13559907, 16365405, 18079876, 21820540, 22599845, 27119814, 31639783, 32730810, 45199690, 54239628, 63279566, 65461620, 67799535, 90399380, 94919349, 126559132, 135599070, 158198915, 189838698, 271198140, 316397830, 379677396, 474596745, 632795660, 949193490, 1898386980]

約数ペア:

[(1, 1898386980), (2, 949193490), (3, 632795660), (4, 474596745), (5, 379677396), (6, 316397830), (7, 271198140), (10, 189838698), (12, 158198915), (14, 135599070), (15, 126559132), (20, 94919349), (21, 90399380), (28, 67799535), (29, 65461620), (30, 63279566), (35, 54239628), (42, 45199690), (58, 32730810), (60, 31639783), (70, 27119814), (84, 22599845), (87, 21820540), (105, 18079876), (116, 16365405), (140, 13559907), (145, 13092324), (174, 10910270), (203, 9351660), (210, 9039938), (290, 6546162), (348, 5455135), (406, 4675830), (420, 4519969), (435, 4364108), (580, 3273081), (609, 3117220), (812, 2337915), (870, 2182054), (1015, 1870332), (1218, 1558610), (1740, 1091027), (2030, 935166), (2436, 779305), (3045, 623444), (4060, 467583), (6090, 311722), (12180, 155861)]