402508940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 904587264

約数和(自身を除く): 502078324

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 71, 74, 94, 142, 148, 163, 185, 188, 235, 284, 326, 355, 370, 470, 652, 710, 740, 815, 940, 1420, 1630, 1739, 2627, 3260, 3337, 3478, 5254, 6031, 6674, 6956, 7661, 8695, 10508, 11573, 12062, 13135, 13348, 15322, 16685, 17390, 23146, 24124, 26270, 30155, 30644, 33370, 34780, 38305, 46292, 52540, 57865, 60310, 66740, 76610, 115730, 120620, 123469, 153220, 231460, 246938, 283457, 428201, 493876, 543931, 566914, 617345, 856402, 1087862, 1133828, 1234690, 1417285, 1712804, 2141005, 2175724, 2469380, 2719655, 2834570, 4282010, 5439310, 5669140, 8564020, 10878620, 20125447, 40250894, 80501788, 100627235, 201254470, 402508940]

約数ペア:

[(1, 402508940), (2, 201254470), (4, 100627235), (5, 80501788), (10, 40250894), (20, 20125447), (37, 10878620), (47, 8564020), (71, 5669140), (74, 5439310), (94, 4282010), (142, 2834570), (148, 2719655), (163, 2469380), (185, 2175724), (188, 2141005), (235, 1712804), (284, 1417285), (326, 1234690), (355, 1133828), (370, 1087862), (470, 856402), (652, 617345), (710, 566914), (740, 543931), (815, 493876), (940, 428201), (1420, 283457), (1630, 246938), (1739, 231460), (2627, 153220), (3260, 123469), (3337, 120620), (3478, 115730), (5254, 76610), (6031, 66740), (6674, 60310), (6956, 57865), (7661, 52540), (8695, 46292), (10508, 38305), (11573, 34780), (12062, 33370), (13135, 30644), (13348, 30155), (15322, 26270), (16685, 24124), (17390, 23146)]