159431930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 335819520

約数和(自身を除く): 176387590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 157, 163, 178, 314, 326, 445, 623, 785, 815, 890, 1099, 1141, 1246, 1570, 1630, 2198, 2282, 3115, 5495, 5705, 6230, 10990, 11410, 13973, 14507, 25591, 27946, 29014, 51182, 69865, 72535, 97811, 101549, 127955, 139730, 145070, 179137, 195622, 203098, 255910, 358274, 489055, 507745, 895685, 978110, 1015490, 1791370, 2277599, 4555198, 11387995, 15943193, 22775990, 31886386, 79715965, 159431930]

約数ペア:

[(1, 159431930), (2, 79715965), (5, 31886386), (7, 22775990), (10, 15943193), (14, 11387995), (35, 4555198), (70, 2277599), (89, 1791370), (157, 1015490), (163, 978110), (178, 895685), (314, 507745), (326, 489055), (445, 358274), (623, 255910), (785, 203098), (815, 195622), (890, 179137), (1099, 145070), (1141, 139730), (1246, 127955), (1570, 101549), (1630, 97811), (2198, 72535), (2282, 69865), (3115, 51182), (5495, 29014), (5705, 27946), (6230, 25591), (10990, 14507), (11410, 13973)]