139327240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15761}}^1$

素因数の和:15802

約数の個数: 64

約数和(自身を含む): 357482160

約数和(自身を除く): 218154920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 15761, 31522, 63044, 78805, 126088, 157610, 204893, 267937, 315220, 409786, 535874, 630440, 819572, 1024465, 1071748, 1339685, 1639144, 2048930, 2143496, 2679370, 3483181, 4097860, 5358740, 6966362, 8195720, 10717480, 13932724, 17415905, 27865448, 34831810, 69663620, 139327240]

約数ペア:

[(1, 139327240), (2, 69663620), (4, 34831810), (5, 27865448), (8, 17415905), (10, 13932724), (13, 10717480), (17, 8195720), (20, 6966362), (26, 5358740), (34, 4097860), (40, 3483181), (52, 2679370), (65, 2143496), (68, 2048930), (85, 1639144), (104, 1339685), (130, 1071748), (136, 1024465), (170, 819572), (221, 630440), (260, 535874), (340, 409786), (442, 315220), (520, 267937), (680, 204893), (884, 157610), (1105, 126088), (1768, 78805), (2210, 63044), (4420, 31522), (8840, 15761)]