18787711150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2593}}^1$

素因数の和:2846

約数の個数: 96

約数和(自身を含む): 38421165888

約数和(自身を除く): 19633454738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 157, 314, 325, 355, 650, 710, 785, 923, 1570, 1775, 1846, 2041, 2593, 3550, 3925, 4082, 4615, 5186, 7850, 9230, 10205, 11147, 12965, 20410, 22294, 23075, 25930, 33709, 46150, 51025, 55735, 64825, 67418, 102050, 111470, 129650, 144911, 168545, 184103, 278675, 289822, 337090, 368206, 407101, 557350, 724555, 814202, 842725, 920515, 1449110, 1685450, 1841030, 2035505, 2393339, 3622775, 4071010, 4602575, 4786678, 5292313, 7245550, 9205150, 10177525, 10584626, 11966695, 20355050, 23933390, 26461565, 28904171, 52923130, 57808342, 59833475, 119666950, 132307825, 144520855, 264615650, 289041710, 375754223, 722604275, 751508446, 1445208550, 1878771115, 3757542230, 9393855575, 18787711150]

約数ペア:

[(1, 18787711150), (2, 9393855575), (5, 3757542230), (10, 1878771115), (13, 1445208550), (25, 751508446), (26, 722604275), (50, 375754223), (65, 289041710), (71, 264615650), (130, 144520855), (142, 132307825), (157, 119666950), (314, 59833475), (325, 57808342), (355, 52923130), (650, 28904171), (710, 26461565), (785, 23933390), (923, 20355050), (1570, 11966695), (1775, 10584626), (1846, 10177525), (2041, 9205150), (2593, 7245550), (3550, 5292313), (3925, 4786678), (4082, 4602575), (4615, 4071010), (5186, 3622775), (7850, 2393339), (9230, 2035505), (10205, 1841030), (11147, 1685450), (12965, 1449110), (20410, 920515), (22294, 842725), (23075, 814202), (25930, 724555), (33709, 557350), (46150, 407101), (51025, 368206), (55735, 337090), (64825, 289822), (67418, 278675), (102050, 184103), (111470, 168545), (129650, 144911)]