213828470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 212918410

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 167, 190, 230, 293, 334, 437, 586, 835, 874, 1465, 1670, 2185, 2930, 3173, 3841, 4370, 5567, 6346, 6739, 7682, 11134, 13478, 15865, 19205, 27835, 31730, 33695, 38410, 48931, 55670, 67390, 72979, 97862, 128041, 145958, 244655, 256082, 364895, 489310, 640205, 729790, 929689, 1125413, 1280410, 1859378, 2250826, 4648445, 5627065, 9296890, 11254130, 21382847, 42765694, 106914235, 213828470]

約数ペア:

[(1, 213828470), (2, 106914235), (5, 42765694), (10, 21382847), (19, 11254130), (23, 9296890), (38, 5627065), (46, 4648445), (95, 2250826), (115, 1859378), (167, 1280410), (190, 1125413), (230, 929689), (293, 729790), (334, 640205), (437, 489310), (586, 364895), (835, 256082), (874, 244655), (1465, 145958), (1670, 128041), (2185, 97862), (2930, 72979), (3173, 67390), (3841, 55670), (4370, 48931), (5567, 38410), (6346, 33695), (6739, 31730), (7682, 27835), (11134, 19205), (13478, 15865)]