305712904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 725034240

約数和(自身を除く): 419321336

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 73, 83, 106, 119, 136, 146, 166, 212, 238, 292, 332, 371, 424, 476, 511, 581, 584, 664, 742, 901, 952, 1022, 1162, 1241, 1411, 1484, 1802, 2044, 2324, 2482, 2822, 2968, 3604, 3869, 4088, 4399, 4648, 4964, 5644, 6059, 6307, 7208, 7738, 8687, 8798, 9877, 9928, 11288, 12118, 12614, 15476, 17374, 17596, 19754, 24236, 25228, 27083, 30793, 30952, 34748, 35192, 39508, 42413, 48472, 50456, 54166, 61586, 65773, 69496, 74783, 79016, 84826, 103003, 108332, 123172, 131546, 149566, 169652, 206006, 216664, 246344, 263092, 299132, 321127, 339304, 412012, 460411, 523481, 526184, 598264, 642254, 721021, 824024, 920822, 1046962, 1284508, 1442042, 1841644, 2093924, 2247889, 2569016, 2884084, 3683288, 4187848, 4495778, 5459159, 5768168, 8991556, 10918318, 17983112, 21836636, 38214113, 43673272, 76428226, 152856452, 305712904]

約数ペア:

[(1, 305712904), (2, 152856452), (4, 76428226), (7, 43673272), (8, 38214113), (14, 21836636), (17, 17983112), (28, 10918318), (34, 8991556), (53, 5768168), (56, 5459159), (68, 4495778), (73, 4187848), (83, 3683288), (106, 2884084), (119, 2569016), (136, 2247889), (146, 2093924), (166, 1841644), (212, 1442042), (238, 1284508), (292, 1046962), (332, 920822), (371, 824024), (424, 721021), (476, 642254), (511, 598264), (581, 526184), (584, 523481), (664, 460411), (742, 412012), (901, 339304), (952, 321127), (1022, 299132), (1162, 263092), (1241, 246344), (1411, 216664), (1484, 206006), (1802, 169652), (2044, 149566), (2324, 131546), (2482, 123172), (2822, 108332), (2968, 103003), (3604, 84826), (3869, 79016), (4088, 74783), (4399, 69496), (4648, 65773), (4964, 61586), (5644, 54166), (6059, 50456), (6307, 48472), (7208, 42413), (7738, 39508), (8687, 35192), (8798, 34748), (9877, 30952), (9928, 30793), (11288, 27083), (12118, 25228), (12614, 24236), (15476, 19754), (17374, 17596)]