290673500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 690161472

約数和(自身を除く): 399487972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 197, 227, 250, 260, 325, 394, 454, 500, 650, 788, 908, 985, 1135, 1300, 1625, 1970, 2270, 2561, 2951, 3250, 3940, 4540, 4925, 5122, 5675, 5902, 6500, 9850, 10244, 11350, 11804, 12805, 14755, 19700, 22700, 24625, 25610, 28375, 29510, 44719, 49250, 51220, 56750, 59020, 64025, 73775, 89438, 98500, 113500, 128050, 147550, 178876, 223595, 256100, 295100, 320125, 368875, 447190, 581347, 640250, 737750, 894380, 1117975, 1162694, 1280500, 1475500, 2235950, 2325388, 2906735, 4471900, 5589875, 5813470, 11179750, 11626940, 14533675, 22359500, 29067350, 58134700, 72668375, 145336750, 290673500]

約数ペア:

[(1, 290673500), (2, 145336750), (4, 72668375), (5, 58134700), (10, 29067350), (13, 22359500), (20, 14533675), (25, 11626940), (26, 11179750), (50, 5813470), (52, 5589875), (65, 4471900), (100, 2906735), (125, 2325388), (130, 2235950), (197, 1475500), (227, 1280500), (250, 1162694), (260, 1117975), (325, 894380), (394, 737750), (454, 640250), (500, 581347), (650, 447190), (788, 368875), (908, 320125), (985, 295100), (1135, 256100), (1300, 223595), (1625, 178876), (1970, 147550), (2270, 128050), (2561, 113500), (2951, 98500), (3250, 89438), (3940, 73775), (4540, 64025), (4925, 59020), (5122, 56750), (5675, 51220), (5902, 49250), (6500, 44719), (9850, 29510), (10244, 28375), (11350, 25610), (11804, 24625), (12805, 22700), (14755, 19700)]