389527190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 772390080

約数和(自身を除く): 382862890

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 131, 178, 257, 262, 445, 514, 655, 890, 1157, 1285, 1310, 1703, 2314, 2570, 3341, 3406, 5785, 6682, 8515, 11570, 11659, 16705, 17030, 22873, 23318, 33410, 33667, 45746, 58295, 67334, 114365, 116590, 151567, 168335, 228730, 297349, 303134, 336670, 437671, 594698, 757835, 875342, 1486745, 1515670, 2188355, 2973490, 2996363, 4376710, 5992726, 14981815, 29963630, 38952719, 77905438, 194763595, 389527190]

約数ペア:

[(1, 389527190), (2, 194763595), (5, 77905438), (10, 38952719), (13, 29963630), (26, 14981815), (65, 5992726), (89, 4376710), (130, 2996363), (131, 2973490), (178, 2188355), (257, 1515670), (262, 1486745), (445, 875342), (514, 757835), (655, 594698), (890, 437671), (1157, 336670), (1285, 303134), (1310, 297349), (1703, 228730), (2314, 168335), (2570, 151567), (3341, 116590), (3406, 114365), (5785, 67334), (6682, 58295), (8515, 45746), (11570, 33667), (11659, 33410), (16705, 23318), (17030, 22873)]