406639520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 1173553920

約数和(自身を除く): 766914400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 97, 112, 133, 140, 152, 160, 190, 194, 197, 224, 266, 280, 304, 380, 388, 394, 485, 532, 560, 608, 665, 679, 760, 776, 788, 970, 985, 1064, 1120, 1330, 1358, 1379, 1520, 1552, 1576, 1843, 1940, 1970, 2128, 2660, 2716, 2758, 3040, 3104, 3152, 3395, 3686, 3743, 3880, 3940, 4256, 5320, 5432, 5516, 6304, 6790, 6895, 7372, 7486, 7760, 7880, 9215, 10640, 10864, 11032, 12901, 13580, 13790, 14744, 14972, 15520, 15760, 18430, 18715, 19109, 21280, 21728, 22064, 25802, 26201, 27160, 27580, 29488, 29944, 31520, 36860, 37430, 38218, 44128, 51604, 52402, 54320, 55160, 58976, 59888, 64505, 73720, 74860, 76436, 95545, 103208, 104804, 108640, 110320, 119776, 129010, 131005, 133763, 147440, 149720, 152872, 191090, 206416, 209608, 220640, 258020, 262010, 267526, 294880, 299440, 305744, 363071, 382180, 412832, 419216, 516040, 524020, 535052, 598880, 611488, 668815, 726142, 764360, 838432, 1032080, 1048040, 1070104, 1337630, 1452284, 1528720, 1815355, 2064160, 2096080, 2140208, 2541497, 2675260, 2904568, 3057440, 3630710, 4192160, 4280416, 5082994, 5350520, 5809136, 7261420, 10165988, 10701040, 11618272, 12707485, 14522840, 20331976, 21402080, 25414970, 29045680, 40663952, 50829940, 58091360, 81327904, 101659880, 203319760, 406639520]

約数ペア:

[(1, 406639520), (2, 203319760), (4, 101659880), (5, 81327904), (7, 58091360), (8, 50829940), (10, 40663952), (14, 29045680), (16, 25414970), (19, 21402080), (20, 20331976), (28, 14522840), (32, 12707485), (35, 11618272), (38, 10701040), (40, 10165988), (56, 7261420), (70, 5809136), (76, 5350520), (80, 5082994), (95, 4280416), (97, 4192160), (112, 3630710), (133, 3057440), (140, 2904568), (152, 2675260), (160, 2541497), (190, 2140208), (194, 2096080), (197, 2064160), (224, 1815355), (266, 1528720), (280, 1452284), (304, 1337630), (380, 1070104), (388, 1048040), (394, 1032080), (485, 838432), (532, 764360), (560, 726142), (608, 668815), (665, 611488), (679, 598880), (760, 535052), (776, 524020), (788, 516040), (970, 419216), (985, 412832), (1064, 382180), (1120, 363071), (1330, 305744), (1358, 299440), (1379, 294880), (1520, 267526), (1552, 262010), (1576, 258020), (1843, 220640), (1940, 209608), (1970, 206416), (2128, 191090), (2660, 152872), (2716, 149720), (2758, 147440), (3040, 133763), (3104, 131005), (3152, 129010), (3395, 119776), (3686, 110320), (3743, 108640), (3880, 104804), (3940, 103208), (4256, 95545), (5320, 76436), (5432, 74860), (5516, 73720), (6304, 64505), (6790, 59888), (6895, 58976), (7372, 55160), (7486, 54320), (7760, 52402), (7880, 51604), (9215, 44128), (10640, 38218), (10864, 37430), (11032, 36860), (12901, 31520), (13580, 29944), (13790, 29488), (14744, 27580), (14972, 27160), (15520, 26201), (15760, 25802), (18430, 22064), (18715, 21728), (19109, 21280)]