1998748710

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{50359}}^1$

素因数の和:50392

約数の個数: 120

約数和(自身を含む): 6251992560

約数和(自身を除く): 4253243850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1470, 1890, 2205, 2646, 2835, 3969, 4410, 5670, 6615, 7938, 13230, 19845, 39690, 50359, 100718, 151077, 251795, 302154, 352513, 453231, 503590, 705026, 755385, 906462, 1057539, 1359693, 1510770, 1762565, 2115078, 2266155, 2467591, 2719386, 3172617, 3525130, 4079079, 4532310, 4935182, 5287695, 6345234, 6798465, 7402773, 8158158, 9517851, 10575390, 12337955, 13596930, 14805546, 15863085, 19035702, 20395395, 22208319, 24675910, 28553553, 31726170, 37013865, 40790790, 44416638, 47589255, 57107106, 66624957, 74027730, 95178510, 111041595, 133249914, 142767765, 199874871, 222083190, 285535530, 333124785, 399749742, 666249570, 999374355, 1998748710]

約数ペア:

[(1, 1998748710), (2, 999374355), (3, 666249570), (5, 399749742), (6, 333124785), (7, 285535530), (9, 222083190), (10, 199874871), (14, 142767765), (15, 133249914), (18, 111041595), (21, 95178510), (27, 74027730), (30, 66624957), (35, 57107106), (42, 47589255), (45, 44416638), (49, 40790790), (54, 37013865), (63, 31726170), (70, 28553553), (81, 24675910), (90, 22208319), (98, 20395395), (105, 19035702), (126, 15863085), (135, 14805546), (147, 13596930), (162, 12337955), (189, 10575390), (210, 9517851), (245, 8158158), (270, 7402773), (294, 6798465), (315, 6345234), (378, 5287695), (405, 4935182), (441, 4532310), (490, 4079079), (567, 3525130), (630, 3172617), (735, 2719386), (810, 2467591), (882, 2266155), (945, 2115078), (1134, 1762565), (1323, 1510770), (1470, 1359693), (1890, 1057539), (2205, 906462), (2646, 755385), (2835, 705026), (3969, 503590), (4410, 453231), (5670, 352513), (6615, 302154), (7938, 251795), (13230, 151077), (19845, 100718), (39690, 50359)]