394403672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 907200000

約数和(自身を除く): 512796328

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 59, 68, 76, 104, 118, 136, 152, 199, 221, 236, 247, 323, 398, 442, 472, 494, 646, 767, 796, 884, 988, 1003, 1121, 1292, 1534, 1592, 1768, 1976, 2006, 2242, 2584, 2587, 3068, 3383, 3781, 4012, 4199, 4484, 5174, 6136, 6766, 7562, 8024, 8398, 8968, 10348, 11741, 13039, 13532, 14573, 15124, 16796, 19057, 20696, 23482, 26078, 27064, 29146, 30248, 33592, 38114, 43979, 46964, 49153, 52156, 58292, 64277, 76228, 87958, 93928, 98306, 104312, 116584, 128554, 152456, 152633, 175916, 196612, 199597, 223079, 247741, 257108, 305266, 351832, 393224, 399194, 446158, 495482, 514216, 610532, 798388, 835601, 892316, 990964, 1221064, 1596776, 1671202, 1784632, 1981928, 2594761, 2900027, 3342404, 3792343, 5189522, 5800054, 6684808, 7584686, 10379044, 11600108, 15169372, 20758088, 23200216, 30338744, 49300459, 98600918, 197201836, 394403672]

約数ペア:

[(1, 394403672), (2, 197201836), (4, 98600918), (8, 49300459), (13, 30338744), (17, 23200216), (19, 20758088), (26, 15169372), (34, 11600108), (38, 10379044), (52, 7584686), (59, 6684808), (68, 5800054), (76, 5189522), (104, 3792343), (118, 3342404), (136, 2900027), (152, 2594761), (199, 1981928), (221, 1784632), (236, 1671202), (247, 1596776), (323, 1221064), (398, 990964), (442, 892316), (472, 835601), (494, 798388), (646, 610532), (767, 514216), (796, 495482), (884, 446158), (988, 399194), (1003, 393224), (1121, 351832), (1292, 305266), (1534, 257108), (1592, 247741), (1768, 223079), (1976, 199597), (2006, 196612), (2242, 175916), (2584, 152633), (2587, 152456), (3068, 128554), (3383, 116584), (3781, 104312), (4012, 98306), (4199, 93928), (4484, 87958), (5174, 76228), (6136, 64277), (6766, 58292), (7562, 52156), (8024, 49153), (8398, 46964), (8968, 43979), (10348, 38114), (11741, 33592), (13039, 30248), (13532, 29146), (14573, 27064), (15124, 26078), (16796, 23482), (19057, 20696)]