254717970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 705729024

約数和(自身を除く): 451011054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 103, 130, 170, 195, 206, 221, 255, 309, 373, 390, 442, 510, 515, 618, 663, 746, 1030, 1105, 1119, 1326, 1339, 1545, 1751, 1865, 2210, 2238, 2678, 3090, 3315, 3502, 3730, 4017, 4849, 5253, 5595, 6341, 6630, 6695, 8034, 8755, 9698, 10506, 11190, 12682, 13390, 14547, 17510, 19023, 20085, 22763, 24245, 26265, 29094, 31705, 38046, 38419, 40170, 45526, 48490, 52530, 63410, 68289, 72735, 76838, 82433, 95115, 113815, 115257, 136578, 145470, 164866, 190230, 192095, 227630, 230514, 247299, 341445, 384190, 412165, 494598, 499447, 576285, 653123, 682890, 824330, 998894, 1152570, 1236495, 1306246, 1498341, 1959369, 2472990, 2497235, 2996682, 3265615, 3918738, 4994470, 6531230, 7491705, 8490599, 9796845, 14983410, 16981198, 19593690, 25471797, 42452995, 50943594, 84905990, 127358985, 254717970]

約数ペア:

[(1, 254717970), (2, 127358985), (3, 84905990), (5, 50943594), (6, 42452995), (10, 25471797), (13, 19593690), (15, 16981198), (17, 14983410), (26, 9796845), (30, 8490599), (34, 7491705), (39, 6531230), (51, 4994470), (65, 3918738), (78, 3265615), (85, 2996682), (102, 2497235), (103, 2472990), (130, 1959369), (170, 1498341), (195, 1306246), (206, 1236495), (221, 1152570), (255, 998894), (309, 824330), (373, 682890), (390, 653123), (442, 576285), (510, 499447), (515, 494598), (618, 412165), (663, 384190), (746, 341445), (1030, 247299), (1105, 230514), (1119, 227630), (1326, 192095), (1339, 190230), (1545, 164866), (1751, 145470), (1865, 136578), (2210, 115257), (2238, 113815), (2678, 95115), (3090, 82433), (3315, 76838), (3502, 72735), (3730, 68289), (4017, 63410), (4849, 52530), (5253, 48490), (5595, 45526), (6341, 40170), (6630, 38419), (6695, 38046), (8034, 31705), (8755, 29094), (9698, 26265), (10506, 24245), (11190, 22763), (12682, 20085), (13390, 19023), (14547, 17510)]