205722400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 548589888

約数和(自身を除く): 342867488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 131, 151, 160, 200, 208, 260, 262, 302, 325, 400, 416, 520, 524, 604, 650, 655, 755, 800, 1040, 1048, 1208, 1300, 1310, 1510, 1703, 1963, 2080, 2096, 2416, 2600, 2620, 3020, 3275, 3406, 3775, 3926, 4192, 4832, 5200, 5240, 6040, 6550, 6812, 7550, 7852, 8515, 9815, 10400, 10480, 12080, 13100, 13624, 15100, 15704, 17030, 19630, 19781, 20960, 24160, 26200, 27248, 30200, 31408, 34060, 39260, 39562, 42575, 49075, 52400, 54496, 60400, 62816, 68120, 78520, 79124, 85150, 98150, 98905, 104800, 120800, 136240, 157040, 158248, 170300, 196300, 197810, 257153, 272480, 314080, 316496, 340600, 392600, 395620, 494525, 514306, 632992, 681200, 785200, 791240, 989050, 1028612, 1285765, 1362400, 1570400, 1582480, 1978100, 2057224, 2571530, 3164960, 3956200, 4114448, 5143060, 6428825, 7912400, 8228896, 10286120, 12857650, 15824800, 20572240, 25715300, 41144480, 51430600, 102861200, 205722400]

約数ペア:

[(1, 205722400), (2, 102861200), (4, 51430600), (5, 41144480), (8, 25715300), (10, 20572240), (13, 15824800), (16, 12857650), (20, 10286120), (25, 8228896), (26, 7912400), (32, 6428825), (40, 5143060), (50, 4114448), (52, 3956200), (65, 3164960), (80, 2571530), (100, 2057224), (104, 1978100), (130, 1582480), (131, 1570400), (151, 1362400), (160, 1285765), (200, 1028612), (208, 989050), (260, 791240), (262, 785200), (302, 681200), (325, 632992), (400, 514306), (416, 494525), (520, 395620), (524, 392600), (604, 340600), (650, 316496), (655, 314080), (755, 272480), (800, 257153), (1040, 197810), (1048, 196300), (1208, 170300), (1300, 158248), (1310, 157040), (1510, 136240), (1703, 120800), (1963, 104800), (2080, 98905), (2096, 98150), (2416, 85150), (2600, 79124), (2620, 78520), (3020, 68120), (3275, 62816), (3406, 60400), (3775, 54496), (3926, 52400), (4192, 49075), (4832, 42575), (5200, 39562), (5240, 39260), (6040, 34060), (6550, 31408), (6812, 30200), (7550, 27248), (7852, 26200), (8515, 24160), (9815, 20960), (10400, 19781), (10480, 19630), (12080, 17030), (13100, 15704), (13624, 15100)]