18888907100

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:714

約数の個数: 180

約数和(自身を含む): 48226632048

約数和(自身を除く): 29337724948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 151, 175, 196, 245, 302, 343, 350, 490, 521, 604, 686, 700, 755, 980, 1042, 1057, 1225, 1372, 1510, 1715, 2084, 2114, 2401, 2450, 2605, 3020, 3430, 3647, 3775, 4228, 4802, 4900, 5210, 5285, 6860, 7294, 7399, 7550, 8575, 9604, 10420, 10570, 12005, 13025, 14588, 14798, 15100, 17150, 18235, 21140, 24010, 25529, 26050, 26425, 29596, 34300, 36470, 36995, 48020, 51058, 51793, 52100, 52850, 60025, 72940, 73990, 78671, 91175, 102116, 103586, 105700, 120050, 127645, 147980, 157342, 178703, 182350, 184975, 207172, 240100, 255290, 258965, 314684, 357406, 362551, 364700, 369950, 393355, 510580, 517930, 550697, 638225, 714812, 725102, 739900, 786710, 893515, 1035860, 1101394, 1250921, 1276450, 1294825, 1450204, 1573420, 1787030, 1812755, 1966775, 2202788, 2501842, 2552900, 2589650, 2753485, 3574060, 3625510, 3854879, 3933550, 4467575, 5003684, 5179300, 5506970, 6254605, 7251020, 7709758, 7867100, 8935150, 9063775, 11013940, 12509210, 13767425, 15419516, 17870300, 18127550, 19274395, 25018420, 26984153, 27534850, 31273025, 36255100, 38548790, 53968306, 55069700, 62546050, 77097580, 96371975, 107936612, 125092100, 134920765, 188889071, 192743950, 269841530, 377778142, 385487900, 539683060, 674603825, 755556284, 944445355, 1349207650, 1888890710, 2698415300, 3777781420, 4722226775, 9444453550, 18888907100]

約数ペア:

[(1, 18888907100), (2, 9444453550), (4, 4722226775), (5, 3777781420), (7, 2698415300), (10, 1888890710), (14, 1349207650), (20, 944445355), (25, 755556284), (28, 674603825), (35, 539683060), (49, 385487900), (50, 377778142), (70, 269841530), (98, 192743950), (100, 188889071), (140, 134920765), (151, 125092100), (175, 107936612), (196, 96371975), (245, 77097580), (302, 62546050), (343, 55069700), (350, 53968306), (490, 38548790), (521, 36255100), (604, 31273025), (686, 27534850), (700, 26984153), (755, 25018420), (980, 19274395), (1042, 18127550), (1057, 17870300), (1225, 15419516), (1372, 13767425), (1510, 12509210), (1715, 11013940), (2084, 9063775), (2114, 8935150), (2401, 7867100), (2450, 7709758), (2605, 7251020), (3020, 6254605), (3430, 5506970), (3647, 5179300), (3775, 5003684), (4228, 4467575), (4802, 3933550), (4900, 3854879), (5210, 3625510), (5285, 3574060), (6860, 2753485), (7294, 2589650), (7399, 2552900), (7550, 2501842), (8575, 2202788), (9604, 1966775), (10420, 1812755), (10570, 1787030), (12005, 1573420), (13025, 1450204), (14588, 1294825), (14798, 1276450), (15100, 1250921), (17150, 1101394), (18235, 1035860), (21140, 893515), (24010, 786710), (25529, 739900), (26050, 725102), (26425, 714812), (29596, 638225), (34300, 550697), (36470, 517930), (36995, 510580), (48020, 393355), (51058, 369950), (51793, 364700), (52100, 362551), (52850, 357406), (60025, 314684), (72940, 258965), (73990, 255290), (78671, 240100), (91175, 207172), (102116, 184975), (103586, 182350), (105700, 178703), (120050, 157342), (127645, 147980)]