400009428

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13567}}^1$

素因数の和:13603

約数の個数: 120

約数和(自身を含む): 1287114752

約数和(自身を除く): 887105324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 3276, 4212, 4914, 7371, 9828, 13567, 14742, 27134, 29484, 40701, 54268, 81402, 94969, 122103, 162804, 176371, 189938, 244206, 284907, 352742, 366309, 379876, 488412, 529113, 569814, 705484, 732618, 854721, 1058226, 1098927, 1139628, 1234597, 1465236, 1587339, 1709442, 2116452, 2197854, 2469194, 2564163, 3174678, 3418884, 3703791, 4395708, 4762017, 4938388, 5128326, 6349356, 7407582, 7692489, 9524034, 10256652, 11111373, 14286051, 14815164, 15384978, 19048068, 22222746, 28572102, 30769956, 33334119, 44445492, 57144204, 66668238, 100002357, 133336476, 200004714, 400009428]

約数ペア:

[(1, 400009428), (2, 200004714), (3, 133336476), (4, 100002357), (6, 66668238), (7, 57144204), (9, 44445492), (12, 33334119), (13, 30769956), (14, 28572102), (18, 22222746), (21, 19048068), (26, 15384978), (27, 14815164), (28, 14286051), (36, 11111373), (39, 10256652), (42, 9524034), (52, 7692489), (54, 7407582), (63, 6349356), (78, 5128326), (81, 4938388), (84, 4762017), (91, 4395708), (108, 3703791), (117, 3418884), (126, 3174678), (156, 2564163), (162, 2469194), (182, 2197854), (189, 2116452), (234, 1709442), (252, 1587339), (273, 1465236), (324, 1234597), (351, 1139628), (364, 1098927), (378, 1058226), (468, 854721), (546, 732618), (567, 705484), (702, 569814), (756, 529113), (819, 488412), (1053, 379876), (1092, 366309), (1134, 352742), (1404, 284907), (1638, 244206), (2106, 189938), (2268, 176371), (2457, 162804), (3276, 122103), (4212, 94969), (4914, 81402), (7371, 54268), (9828, 40701), (13567, 29484), (14742, 27134)]