8621410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 19077120

約数和(自身を除く): 10455710

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 137, 145, 155, 203, 217, 274, 290, 310, 406, 434, 685, 899, 959, 1015, 1085, 1370, 1798, 1918, 2030, 2170, 3973, 4247, 4495, 4795, 6293, 7946, 8494, 8990, 9590, 12586, 19865, 21235, 27811, 29729, 31465, 39730, 42470, 55622, 59458, 62930, 123163, 139055, 148645, 246326, 278110, 297290, 615815, 862141, 1231630, 1724282, 4310705, 8621410]

約数ペア:

[(1, 8621410), (2, 4310705), (5, 1724282), (7, 1231630), (10, 862141), (14, 615815), (29, 297290), (31, 278110), (35, 246326), (58, 148645), (62, 139055), (70, 123163), (137, 62930), (145, 59458), (155, 55622), (203, 42470), (217, 39730), (274, 31465), (290, 29729), (310, 27811), (406, 21235), (434, 19865), (685, 12586), (899, 9590), (959, 8990), (1015, 8494), (1085, 7946), (1370, 6293), (1798, 4795), (1918, 4495), (2030, 4247), (2170, 3973)]