201022120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 495681120

約数和(自身を除く): 294659000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 169, 227, 260, 262, 338, 454, 520, 524, 655, 676, 845, 908, 1048, 1135, 1310, 1352, 1690, 1703, 1816, 2270, 2620, 2951, 3380, 3406, 4540, 5240, 5902, 6760, 6812, 8515, 9080, 11804, 13624, 14755, 17030, 22139, 23608, 29510, 29737, 34060, 38363, 44278, 59020, 59474, 68120, 76726, 88556, 110695, 118040, 118948, 148685, 153452, 177112, 191815, 221390, 237896, 297370, 306904, 383630, 386581, 442780, 594740, 767260, 773162, 885560, 1189480, 1534520, 1546324, 1932905, 3092648, 3865810, 5025553, 7731620, 10051106, 15463240, 20102212, 25127765, 40204424, 50255530, 100511060, 201022120]

約数ペア:

[(1, 201022120), (2, 100511060), (4, 50255530), (5, 40204424), (8, 25127765), (10, 20102212), (13, 15463240), (20, 10051106), (26, 7731620), (40, 5025553), (52, 3865810), (65, 3092648), (104, 1932905), (130, 1546324), (131, 1534520), (169, 1189480), (227, 885560), (260, 773162), (262, 767260), (338, 594740), (454, 442780), (520, 386581), (524, 383630), (655, 306904), (676, 297370), (845, 237896), (908, 221390), (1048, 191815), (1135, 177112), (1310, 153452), (1352, 148685), (1690, 118948), (1703, 118040), (1816, 110695), (2270, 88556), (2620, 76726), (2951, 68120), (3380, 59474), (3406, 59020), (4540, 44278), (5240, 38363), (5902, 34060), (6760, 29737), (6812, 29510), (8515, 23608), (9080, 22139), (11804, 17030), (13624, 14755)]