408052120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 1085736960

約数和(自身を除く): 677684840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 101, 140, 188, 202, 235, 280, 307, 329, 376, 404, 470, 505, 614, 658, 707, 808, 940, 1010, 1228, 1316, 1414, 1535, 1645, 1880, 2020, 2149, 2456, 2632, 2828, 3070, 3290, 3535, 4040, 4298, 4747, 5656, 6140, 6580, 7070, 8596, 9494, 10745, 12280, 13160, 14140, 14429, 17192, 18988, 21490, 23735, 28280, 28858, 31007, 33229, 37976, 42980, 47470, 57716, 62014, 66458, 72145, 85960, 94940, 101003, 115432, 124028, 132916, 144290, 155035, 166145, 189880, 202006, 217049, 248056, 265832, 288580, 310070, 332290, 404012, 434098, 505015, 577160, 620140, 664580, 808024, 868196, 1010030, 1085245, 1240280, 1329160, 1457329, 1736392, 2020060, 2170490, 2914658, 4040120, 4340980, 5829316, 7286645, 8681960, 10201303, 11658632, 14573290, 20402606, 29146580, 40805212, 51006515, 58293160, 81610424, 102013030, 204026060, 408052120]

約数ペア:

[(1, 408052120), (2, 204026060), (4, 102013030), (5, 81610424), (7, 58293160), (8, 51006515), (10, 40805212), (14, 29146580), (20, 20402606), (28, 14573290), (35, 11658632), (40, 10201303), (47, 8681960), (56, 7286645), (70, 5829316), (94, 4340980), (101, 4040120), (140, 2914658), (188, 2170490), (202, 2020060), (235, 1736392), (280, 1457329), (307, 1329160), (329, 1240280), (376, 1085245), (404, 1010030), (470, 868196), (505, 808024), (614, 664580), (658, 620140), (707, 577160), (808, 505015), (940, 434098), (1010, 404012), (1228, 332290), (1316, 310070), (1414, 288580), (1535, 265832), (1645, 248056), (1880, 217049), (2020, 202006), (2149, 189880), (2456, 166145), (2632, 155035), (2828, 144290), (3070, 132916), (3290, 124028), (3535, 115432), (4040, 101003), (4298, 94940), (4747, 85960), (5656, 72145), (6140, 66458), (6580, 62014), (7070, 57716), (8596, 47470), (9494, 42980), (10745, 37976), (12280, 33229), (13160, 31007), (14140, 28858), (14429, 28280), (17192, 23735), (18988, 21490)]