405303920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 160

約数和(自身を含む): 1143545856

約数和(自身を除く): 738241936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 496, 518, 560, 592, 620, 631, 740, 868, 1036, 1085, 1147, 1240, 1262, 1295, 1480, 1736, 2072, 2170, 2294, 2480, 2524, 2590, 2960, 3155, 3472, 4144, 4340, 4417, 4588, 5048, 5180, 5735, 6310, 8029, 8680, 8834, 9176, 10096, 10360, 11470, 12620, 16058, 17360, 17668, 18352, 19561, 20720, 22085, 22940, 23347, 25240, 32116, 35336, 39122, 40145, 44170, 45880, 46694, 50480, 64232, 70672, 78244, 80290, 88340, 91760, 93388, 97805, 116735, 128464, 136927, 156488, 160580, 163429, 176680, 186776, 195610, 233470, 273854, 312976, 321160, 326858, 353360, 373552, 391220, 466940, 547708, 642320, 653716, 684635, 723757, 782440, 817145, 933880, 1095416, 1307432, 1369270, 1447514, 1564880, 1634290, 1867760, 2190832, 2614864, 2738540, 2895028, 3268580, 3618785, 5066299, 5477080, 5790056, 6537160, 7237570, 10132598, 10954160, 11580112, 13074320, 14475140, 20265196, 25331495, 28950280, 40530392, 50662990, 57900560, 81060784, 101325980, 202651960, 405303920]

約数ペア:

[(1, 405303920), (2, 202651960), (4, 101325980), (5, 81060784), (7, 57900560), (8, 50662990), (10, 40530392), (14, 28950280), (16, 25331495), (20, 20265196), (28, 14475140), (31, 13074320), (35, 11580112), (37, 10954160), (40, 10132598), (56, 7237570), (62, 6537160), (70, 5790056), (74, 5477080), (80, 5066299), (112, 3618785), (124, 3268580), (140, 2895028), (148, 2738540), (155, 2614864), (185, 2190832), (217, 1867760), (248, 1634290), (259, 1564880), (280, 1447514), (296, 1369270), (310, 1307432), (370, 1095416), (434, 933880), (496, 817145), (518, 782440), (560, 723757), (592, 684635), (620, 653716), (631, 642320), (740, 547708), (868, 466940), (1036, 391220), (1085, 373552), (1147, 353360), (1240, 326858), (1262, 321160), (1295, 312976), (1480, 273854), (1736, 233470), (2072, 195610), (2170, 186776), (2294, 176680), (2480, 163429), (2524, 160580), (2590, 156488), (2960, 136927), (3155, 128464), (3472, 116735), (4144, 97805), (4340, 93388), (4417, 91760), (4588, 88340), (5048, 80290), (5180, 78244), (5735, 70672), (6310, 64232), (8029, 50480), (8680, 46694), (8834, 45880), (9176, 44170), (10096, 40145), (10360, 39122), (11470, 35336), (12620, 32116), (16058, 25240), (17360, 23347), (17668, 22940), (18352, 22085), (19561, 20720)]