30321410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 35204350

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 89, 155, 157, 178, 217, 310, 314, 434, 445, 623, 785, 890, 1085, 1099, 1246, 1570, 2170, 2198, 2759, 3115, 4867, 5495, 5518, 6230, 9734, 10990, 13795, 13973, 19313, 24335, 27590, 27946, 34069, 38626, 48670, 68138, 69865, 96565, 97811, 139730, 170345, 193130, 195622, 340690, 433163, 489055, 866326, 978110, 2165815, 3032141, 4331630, 6064282, 15160705, 30321410]

約数ペア:

[(1, 30321410), (2, 15160705), (5, 6064282), (7, 4331630), (10, 3032141), (14, 2165815), (31, 978110), (35, 866326), (62, 489055), (70, 433163), (89, 340690), (155, 195622), (157, 193130), (178, 170345), (217, 139730), (310, 97811), (314, 96565), (434, 69865), (445, 68138), (623, 48670), (785, 38626), (890, 34069), (1085, 27946), (1099, 27590), (1246, 24335), (1570, 19313), (2170, 13973), (2198, 13795), (2759, 10990), (3115, 9734), (4867, 6230), (5495, 5518)]