205398420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2657

約数の個数: 96

約数和(自身を含む): 616896000

約数和(自身を除く): 411497580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 316, 340, 395, 474, 510, 790, 948, 1020, 1185, 1343, 1580, 2370, 2549, 2686, 4029, 4740, 5098, 5372, 6715, 7647, 8058, 10196, 12745, 13430, 15294, 16116, 20145, 25490, 26860, 30588, 38235, 40290, 43333, 50980, 76470, 80580, 86666, 129999, 152940, 173332, 201371, 216665, 259998, 402742, 433330, 519996, 604113, 649995, 805484, 866660, 1006855, 1208226, 1299990, 2013710, 2416452, 2599980, 3020565, 3423307, 4027420, 6041130, 6846614, 10269921, 12082260, 13693228, 17116535, 20539842, 34233070, 41079684, 51349605, 68466140, 102699210, 205398420]

約数ペア:

[(1, 205398420), (2, 102699210), (3, 68466140), (4, 51349605), (5, 41079684), (6, 34233070), (10, 20539842), (12, 17116535), (15, 13693228), (17, 12082260), (20, 10269921), (30, 6846614), (34, 6041130), (51, 4027420), (60, 3423307), (68, 3020565), (79, 2599980), (85, 2416452), (102, 2013710), (158, 1299990), (170, 1208226), (204, 1006855), (237, 866660), (255, 805484), (316, 649995), (340, 604113), (395, 519996), (474, 433330), (510, 402742), (790, 259998), (948, 216665), (1020, 201371), (1185, 173332), (1343, 152940), (1580, 129999), (2370, 86666), (2549, 80580), (2686, 76470), (4029, 50980), (4740, 43333), (5098, 40290), (5372, 38235), (6715, 30588), (7647, 26860), (8058, 25490), (10196, 20145), (12745, 16116), (13430, 15294)]