12946220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 33976320

約数和(自身を除く): 21030100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 157, 190, 217, 266, 310, 314, 380, 434, 532, 589, 620, 628, 665, 785, 868, 1085, 1099, 1178, 1330, 1570, 2170, 2198, 2356, 2660, 2945, 2983, 3140, 4123, 4340, 4396, 4867, 5495, 5890, 5966, 8246, 9734, 10990, 11780, 11932, 14915, 16492, 19468, 20615, 20881, 21980, 24335, 29830, 34069, 41230, 41762, 48670, 59660, 68138, 82460, 83524, 92473, 97340, 104405, 136276, 170345, 184946, 208810, 340690, 369892, 417620, 462365, 647311, 681380, 924730, 1294622, 1849460, 2589244, 3236555, 6473110, 12946220]

約数ペア:

[(1, 12946220), (2, 6473110), (4, 3236555), (5, 2589244), (7, 1849460), (10, 1294622), (14, 924730), (19, 681380), (20, 647311), (28, 462365), (31, 417620), (35, 369892), (38, 340690), (62, 208810), (70, 184946), (76, 170345), (95, 136276), (124, 104405), (133, 97340), (140, 92473), (155, 83524), (157, 82460), (190, 68138), (217, 59660), (266, 48670), (310, 41762), (314, 41230), (380, 34069), (434, 29830), (532, 24335), (589, 21980), (620, 20881), (628, 20615), (665, 19468), (785, 16492), (868, 14915), (1085, 11932), (1099, 11780), (1178, 10990), (1330, 9734), (1570, 8246), (2170, 5966), (2198, 5890), (2356, 5495), (2660, 4867), (2945, 4396), (2983, 4340), (3140, 4123)]