20083850500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:868

約数の個数: 192

約数和(自身を含む): 51514444800

約数和(自身を除く): 31430594300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 181, 196, 245, 250, 343, 350, 362, 490, 500, 647, 686, 700, 724, 875, 905, 980, 1225, 1267, 1294, 1372, 1715, 1750, 1810, 2450, 2534, 2588, 3235, 3430, 3500, 3620, 4525, 4529, 4900, 5068, 6125, 6335, 6470, 6860, 8575, 8869, 9050, 9058, 12250, 12670, 12940, 16175, 17150, 17738, 18100, 18116, 22625, 22645, 24500, 25340, 31675, 31703, 32350, 34300, 35476, 42875, 44345, 45250, 45290, 62083, 63350, 63406, 64700, 80875, 85750, 88690, 90500, 90580, 113225, 117107, 124166, 126700, 126812, 158375, 158515, 161750, 171500, 177380, 221725, 221921, 226450, 234214, 248332, 310415, 316750, 317030, 323500, 443450, 443842, 452900, 468428, 566125, 585535, 620830, 633500, 634060, 792575, 819749, 886900, 887684, 1108625, 1109605, 1132250, 1171070, 1241660, 1552075, 1585150, 1639498, 2217250, 2219210, 2264500, 2342140, 2927675, 3104150, 3170300, 3278996, 3962875, 4098745, 4434500, 4438420, 5548025, 5738243, 5855350, 6208300, 7760375, 7925750, 8197490, 11096050, 11476486, 11710700, 14638375, 15520750, 15851500, 16394980, 20493725, 22192100, 22952972, 27740125, 28691215, 29276750, 31041500, 40167701, 40987450, 55480250, 57382430, 58553500, 80335402, 81974900, 102468625, 110960500, 114764860, 143456075, 160670804, 200838505, 204937250, 286912150, 401677010, 409874500, 573824300, 717280375, 803354020, 1004192525, 1434560750, 2008385050, 2869121500, 4016770100, 5020962625, 10041925250, 20083850500]

約数ペア:

[(1, 20083850500), (2, 10041925250), (4, 5020962625), (5, 4016770100), (7, 2869121500), (10, 2008385050), (14, 1434560750), (20, 1004192525), (25, 803354020), (28, 717280375), (35, 573824300), (49, 409874500), (50, 401677010), (70, 286912150), (98, 204937250), (100, 200838505), (125, 160670804), (140, 143456075), (175, 114764860), (181, 110960500), (196, 102468625), (245, 81974900), (250, 80335402), (343, 58553500), (350, 57382430), (362, 55480250), (490, 40987450), (500, 40167701), (647, 31041500), (686, 29276750), (700, 28691215), (724, 27740125), (875, 22952972), (905, 22192100), (980, 20493725), (1225, 16394980), (1267, 15851500), (1294, 15520750), (1372, 14638375), (1715, 11710700), (1750, 11476486), (1810, 11096050), (2450, 8197490), (2534, 7925750), (2588, 7760375), (3235, 6208300), (3430, 5855350), (3500, 5738243), (3620, 5548025), (4525, 4438420), (4529, 4434500), (4900, 4098745), (5068, 3962875), (6125, 3278996), (6335, 3170300), (6470, 3104150), (6860, 2927675), (8575, 2342140), (8869, 2264500), (9050, 2219210), (9058, 2217250), (12250, 1639498), (12670, 1585150), (12940, 1552075), (16175, 1241660), (17150, 1171070), (17738, 1132250), (18100, 1109605), (18116, 1108625), (22625, 887684), (22645, 886900), (24500, 819749), (25340, 792575), (31675, 634060), (31703, 633500), (32350, 620830), (34300, 585535), (35476, 566125), (42875, 468428), (44345, 452900), (45250, 443842), (45290, 443450), (62083, 323500), (63350, 317030), (63406, 316750), (64700, 310415), (80875, 248332), (85750, 234214), (88690, 226450), (90500, 221921), (90580, 221725), (113225, 177380), (117107, 171500), (124166, 161750), (126700, 158515), (126812, 158375)]