20199774850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1747}}^1$

素因数の和:2060

約数の個数: 96

約数和(自身を含む): 40638398976

約数和(自身を除く): 20438624126

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 223, 305, 425, 446, 610, 850, 1037, 1115, 1525, 1747, 2074, 2230, 3050, 3494, 3791, 5185, 5575, 7582, 8735, 10370, 11150, 13603, 17470, 18955, 25925, 27206, 29699, 37910, 43675, 51850, 59398, 68015, 87350, 94775, 106567, 136030, 148495, 189550, 213134, 231251, 296990, 340075, 389581, 462502, 532835, 680150, 742475, 779162, 1065670, 1156255, 1484950, 1811639, 1947905, 2312510, 2664175, 3623278, 3895810, 5328350, 5781275, 6622877, 9058195, 9739525, 11562550, 13245754, 18116390, 19479050, 23764441, 33114385, 45290975, 47528882, 66228770, 90581950, 118822205, 165571925, 237644410, 331143850, 403995497, 594111025, 807990994, 1188222050, 2019977485, 4039954970, 10099887425, 20199774850]

約数ペア:

[(1, 20199774850), (2, 10099887425), (5, 4039954970), (10, 2019977485), (17, 1188222050), (25, 807990994), (34, 594111025), (50, 403995497), (61, 331143850), (85, 237644410), (122, 165571925), (170, 118822205), (223, 90581950), (305, 66228770), (425, 47528882), (446, 45290975), (610, 33114385), (850, 23764441), (1037, 19479050), (1115, 18116390), (1525, 13245754), (1747, 11562550), (2074, 9739525), (2230, 9058195), (3050, 6622877), (3494, 5781275), (3791, 5328350), (5185, 3895810), (5575, 3623278), (7582, 2664175), (8735, 2312510), (10370, 1947905), (11150, 1811639), (13603, 1484950), (17470, 1156255), (18955, 1065670), (25925, 779162), (27206, 742475), (29699, 680150), (37910, 532835), (43675, 462502), (51850, 389581), (59398, 340075), (68015, 296990), (87350, 231251), (94775, 213134), (106567, 189550), (136030, 148495)]