164585148940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1277}}^1\times {\mathrm{17851}}^1$

素因数の和:19175

約数の個数: 72

約数和(自身を含む): 365083325712

約数和(自身を除く): 200498176772

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1277, 1444, 1805, 2554, 3610, 5108, 6385, 7220, 12770, 17851, 24263, 25540, 35702, 48526, 71404, 89255, 97052, 121315, 178510, 242630, 339169, 357020, 460997, 485260, 678338, 921994, 1356676, 1695845, 1843988, 2304985, 3391690, 4609970, 6444211, 6783380, 9219940, 12888422, 22795727, 25776844, 32221055, 45591454, 64442110, 91182908, 113978635, 128884220, 227957270, 433118813, 455914540, 866237626, 1732475252, 2165594065, 4331188130, 8229257447, 8662376260, 16458514894, 32917029788, 41146287235, 82292574470, 164585148940]

約数ペア:

[(1, 164585148940), (2, 82292574470), (4, 41146287235), (5, 32917029788), (10, 16458514894), (19, 8662376260), (20, 8229257447), (38, 4331188130), (76, 2165594065), (95, 1732475252), (190, 866237626), (361, 455914540), (380, 433118813), (722, 227957270), (1277, 128884220), (1444, 113978635), (1805, 91182908), (2554, 64442110), (3610, 45591454), (5108, 32221055), (6385, 25776844), (7220, 22795727), (12770, 12888422), (17851, 9219940), (24263, 6783380), (25540, 6444211), (35702, 4609970), (48526, 3391690), (71404, 2304985), (89255, 1843988), (97052, 1695845), (121315, 1356676), (178510, 921994), (242630, 678338), (339169, 485260), (357020, 460997)]