139236940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 326592000

約数和(自身を除く): 187355060

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 89, 92, 95, 115, 178, 179, 190, 230, 356, 358, 380, 437, 445, 460, 716, 874, 890, 895, 1691, 1748, 1780, 1790, 2047, 2185, 3382, 3401, 3580, 4094, 4117, 4370, 6764, 6802, 8188, 8234, 8455, 8740, 10235, 13604, 15931, 16468, 16910, 17005, 20470, 20585, 31862, 33820, 34010, 38893, 40940, 41170, 63724, 68020, 77786, 78223, 79655, 82340, 155572, 156446, 159310, 194465, 302689, 312892, 318620, 366413, 388930, 391115, 605378, 732826, 777860, 782230, 1210756, 1465652, 1513445, 1564460, 1832065, 3026890, 3664130, 6053780, 6961847, 7328260, 13923694, 27847388, 34809235, 69618470, 139236940]

約数ペア:

[(1, 139236940), (2, 69618470), (4, 34809235), (5, 27847388), (10, 13923694), (19, 7328260), (20, 6961847), (23, 6053780), (38, 3664130), (46, 3026890), (76, 1832065), (89, 1564460), (92, 1513445), (95, 1465652), (115, 1210756), (178, 782230), (179, 777860), (190, 732826), (230, 605378), (356, 391115), (358, 388930), (380, 366413), (437, 318620), (445, 312892), (460, 302689), (716, 194465), (874, 159310), (890, 156446), (895, 155572), (1691, 82340), (1748, 79655), (1780, 78223), (1790, 77786), (2047, 68020), (2185, 63724), (3382, 41170), (3401, 40940), (3580, 38893), (4094, 34010), (4117, 33820), (4370, 31862), (6764, 20585), (6802, 20470), (8188, 17005), (8234, 16910), (8455, 16468), (8740, 15931), (10235, 13604)]