3900390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 10293696

約数和(自身を除く): 6393306

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 137, 146, 195, 219, 274, 365, 390, 411, 438, 685, 730, 822, 949, 1095, 1370, 1781, 1898, 2055, 2190, 2847, 3562, 4110, 4745, 5343, 5694, 8905, 9490, 10001, 10686, 14235, 17810, 20002, 26715, 28470, 30003, 50005, 53430, 60006, 100010, 130013, 150015, 260026, 300030, 390039, 650065, 780078, 1300130, 1950195, 3900390]

約数ペア:

[(1, 3900390), (2, 1950195), (3, 1300130), (5, 780078), (6, 650065), (10, 390039), (13, 300030), (15, 260026), (26, 150015), (30, 130013), (39, 100010), (65, 60006), (73, 53430), (78, 50005), (130, 30003), (137, 28470), (146, 26715), (195, 20002), (219, 17810), (274, 14235), (365, 10686), (390, 10001), (411, 9490), (438, 8905), (685, 5694), (730, 5343), (822, 4745), (949, 4110), (1095, 3562), (1370, 2847), (1781, 2190), (1898, 2055)]