289559810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 585636480

約数和(自身を除く): 296076670

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 157, 170, 190, 314, 323, 571, 646, 785, 1142, 1570, 1615, 2669, 2855, 2983, 3230, 5338, 5710, 5966, 9707, 10849, 13345, 14915, 19414, 21698, 26690, 29830, 48535, 50711, 54245, 89647, 97070, 101422, 108490, 179294, 184433, 253555, 368866, 448235, 507110, 896470, 922165, 1523999, 1703293, 1844330, 3047998, 3406586, 7619995, 8516465, 15239990, 17032930, 28955981, 57911962, 144779905, 289559810]

約数ペア:

[(1, 289559810), (2, 144779905), (5, 57911962), (10, 28955981), (17, 17032930), (19, 15239990), (34, 8516465), (38, 7619995), (85, 3406586), (95, 3047998), (157, 1844330), (170, 1703293), (190, 1523999), (314, 922165), (323, 896470), (571, 507110), (646, 448235), (785, 368866), (1142, 253555), (1570, 184433), (1615, 179294), (2669, 108490), (2855, 101422), (2983, 97070), (3230, 89647), (5338, 54245), (5710, 50711), (5966, 48535), (9707, 29830), (10849, 26690), (13345, 21698), (14915, 19414)]