18444301000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{1289}}^1$

素因数の和:1700

約数の個数: 128

約数和(自身を含む): 44373420000

約数和(自身を除く): 25929119000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 349, 410, 500, 698, 820, 1000, 1025, 1289, 1396, 1640, 1745, 2050, 2578, 2792, 3490, 4100, 5125, 5156, 6445, 6980, 8200, 8725, 10250, 10312, 12890, 13960, 14309, 17450, 20500, 25780, 28618, 32225, 34900, 41000, 43625, 51560, 52849, 57236, 64450, 69800, 71545, 87250, 105698, 114472, 128900, 143090, 161125, 174500, 211396, 257800, 264245, 286180, 322250, 349000, 357725, 422792, 449861, 528490, 572360, 644500, 715450, 899722, 1056980, 1289000, 1321225, 1430900, 1788625, 1799444, 2113960, 2249305, 2642450, 2861800, 3577250, 3598888, 4498610, 5284900, 6606125, 7154500, 8997220, 10569800, 11246525, 13212250, 14309000, 17994440, 18444301, 22493050, 26424500, 36888602, 44986100, 52849000, 56232625, 73777204, 89972200, 92221505, 112465250, 147554408, 184443010, 224930500, 368886020, 449861000, 461107525, 737772040, 922215050, 1844430100, 2305537625, 3688860200, 4611075250, 9222150500, 18444301000]

約数ペア:

[(1, 18444301000), (2, 9222150500), (4, 4611075250), (5, 3688860200), (8, 2305537625), (10, 1844430100), (20, 922215050), (25, 737772040), (40, 461107525), (41, 449861000), (50, 368886020), (82, 224930500), (100, 184443010), (125, 147554408), (164, 112465250), (200, 92221505), (205, 89972200), (250, 73777204), (328, 56232625), (349, 52849000), (410, 44986100), (500, 36888602), (698, 26424500), (820, 22493050), (1000, 18444301), (1025, 17994440), (1289, 14309000), (1396, 13212250), (1640, 11246525), (1745, 10569800), (2050, 8997220), (2578, 7154500), (2792, 6606125), (3490, 5284900), (4100, 4498610), (5125, 3598888), (5156, 3577250), (6445, 2861800), (6980, 2642450), (8200, 2249305), (8725, 2113960), (10250, 1799444), (10312, 1788625), (12890, 1430900), (13960, 1321225), (14309, 1289000), (17450, 1056980), (20500, 899722), (25780, 715450), (28618, 644500), (32225, 572360), (34900, 528490), (41000, 449861), (43625, 422792), (51560, 357725), (52849, 349000), (57236, 322250), (64450, 286180), (69800, 264245), (71545, 257800), (87250, 211396), (105698, 174500), (114472, 161125), (128900, 143090)]