397494760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 978186240

約数和(自身を除く): 580691480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 169, 254, 260, 338, 463, 508, 520, 635, 676, 845, 926, 1016, 1270, 1352, 1651, 1690, 1852, 2315, 2540, 3302, 3380, 3704, 4630, 5080, 6019, 6604, 6760, 8255, 9260, 12038, 13208, 16510, 18520, 21463, 24076, 30095, 33020, 42926, 48152, 58801, 60190, 66040, 78247, 85852, 107315, 117602, 120380, 156494, 171704, 214630, 235204, 240760, 294005, 312988, 391235, 429260, 470408, 588010, 625976, 764413, 782470, 858520, 1176020, 1528826, 1564940, 2352040, 3057652, 3129880, 3822065, 6115304, 7644130, 9937369, 15288260, 19874738, 30576520, 39749476, 49686845, 79498952, 99373690, 198747380, 397494760]

約数ペア:

[(1, 397494760), (2, 198747380), (4, 99373690), (5, 79498952), (8, 49686845), (10, 39749476), (13, 30576520), (20, 19874738), (26, 15288260), (40, 9937369), (52, 7644130), (65, 6115304), (104, 3822065), (127, 3129880), (130, 3057652), (169, 2352040), (254, 1564940), (260, 1528826), (338, 1176020), (463, 858520), (508, 782470), (520, 764413), (635, 625976), (676, 588010), (845, 470408), (926, 429260), (1016, 391235), (1270, 312988), (1352, 294005), (1651, 240760), (1690, 235204), (1852, 214630), (2315, 171704), (2540, 156494), (3302, 120380), (3380, 117602), (3704, 107315), (4630, 85852), (5080, 78247), (6019, 66040), (6604, 60190), (6760, 58801), (8255, 48152), (9260, 42926), (12038, 33020), (13208, 30095), (16510, 24076), (18520, 21463)]