400644456

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 1069286400

約数和(自身を除く): 668641944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 59, 67, 82, 103, 118, 123, 134, 164, 177, 201, 206, 236, 246, 268, 309, 328, 354, 402, 412, 472, 492, 536, 618, 708, 804, 824, 984, 1236, 1416, 1608, 2419, 2472, 2747, 3953, 4223, 4838, 5494, 6077, 6901, 7257, 7906, 8241, 8446, 9676, 10988, 11859, 12154, 12669, 13802, 14514, 15812, 16482, 16892, 18231, 19352, 20703, 21976, 23718, 24308, 25338, 27604, 29028, 31624, 32964, 33784, 36462, 41406, 47436, 48616, 50676, 55208, 58056, 65928, 72924, 82812, 94872, 101352, 145848, 162073, 165624, 249157, 282941, 324146, 407159, 486219, 498314, 565882, 648292, 747471, 814318, 848823, 972438, 996628, 1131764, 1221477, 1296584, 1494942, 1628636, 1697646, 1944876, 1993256, 2263528, 2442954, 2989884, 3257272, 3395292, 3889752, 4885908, 5979768, 6790584, 9771816, 16693519, 33387038, 50080557, 66774076, 100161114, 133548152, 200322228, 400644456]

約数ペア:

[(1, 400644456), (2, 200322228), (3, 133548152), (4, 100161114), (6, 66774076), (8, 50080557), (12, 33387038), (24, 16693519), (41, 9771816), (59, 6790584), (67, 5979768), (82, 4885908), (103, 3889752), (118, 3395292), (123, 3257272), (134, 2989884), (164, 2442954), (177, 2263528), (201, 1993256), (206, 1944876), (236, 1697646), (246, 1628636), (268, 1494942), (309, 1296584), (328, 1221477), (354, 1131764), (402, 996628), (412, 972438), (472, 848823), (492, 814318), (536, 747471), (618, 648292), (708, 565882), (804, 498314), (824, 486219), (984, 407159), (1236, 324146), (1416, 282941), (1608, 249157), (2419, 165624), (2472, 162073), (2747, 145848), (3953, 101352), (4223, 94872), (4838, 82812), (5494, 72924), (6077, 65928), (6901, 58056), (7257, 55208), (7906, 50676), (8241, 48616), (8446, 47436), (9676, 41406), (10988, 36462), (11859, 33784), (12154, 32964), (12669, 31624), (13802, 29028), (14514, 27604), (15812, 25338), (16482, 24308), (16892, 23718), (18231, 21976), (19352, 20703)]