2018959790500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{1553}}^1\times {\mathrm{16561}}^1$

素因数の和:18290

約数の個数: 96

約数和(自身を含む): 4440619074528

約数和(自身を除く): 2421659284028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 500, 628, 785, 1553, 1570, 3106, 3140, 3925, 6212, 7765, 7850, 15530, 15700, 16561, 19625, 31060, 33122, 38825, 39250, 66244, 77650, 78500, 82805, 155300, 165610, 194125, 243821, 331220, 388250, 414025, 487642, 776500, 828050, 975284, 1219105, 1656100, 2070125, 2438210, 2600077, 4140250, 4876420, 5200154, 6095525, 8280500, 10400308, 12191050, 13000385, 24382100, 25719233, 26000770, 30477625, 51438466, 52001540, 60955250, 65001925, 102876932, 121910500, 128596165, 130003850, 257192330, 260007700, 325009625, 514384660, 642980825, 650019250, 1285961650, 1300038500, 2571923300, 3214904125, 4037919581, 6429808250, 8075839162, 12859616500, 16151678324, 20189597905, 40379195810, 80758391620, 100947989525, 201895979050, 403791958100, 504739947625, 1009479895250, 2018959790500]

約数ペア:

[(1, 2018959790500), (2, 1009479895250), (4, 504739947625), (5, 403791958100), (10, 201895979050), (20, 100947989525), (25, 80758391620), (50, 40379195810), (100, 20189597905), (125, 16151678324), (157, 12859616500), (250, 8075839162), (314, 6429808250), (500, 4037919581), (628, 3214904125), (785, 2571923300), (1553, 1300038500), (1570, 1285961650), (3106, 650019250), (3140, 642980825), (3925, 514384660), (6212, 325009625), (7765, 260007700), (7850, 257192330), (15530, 130003850), (15700, 128596165), (16561, 121910500), (19625, 102876932), (31060, 65001925), (33122, 60955250), (38825, 52001540), (39250, 51438466), (66244, 30477625), (77650, 26000770), (78500, 25719233), (82805, 24382100), (155300, 13000385), (165610, 12191050), (194125, 10400308), (243821, 8280500), (331220, 6095525), (388250, 5200154), (414025, 4876420), (487642, 4140250), (776500, 2600077), (828050, 2438210), (975284, 2070125), (1219105, 1656100)]