209927700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 699517728

約数和(自身を除く): 489590028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 53, 54, 60, 75, 81, 90, 100, 106, 108, 135, 150, 159, 162, 163, 180, 212, 225, 243, 265, 270, 300, 318, 324, 326, 405, 450, 477, 486, 489, 530, 540, 636, 652, 675, 795, 810, 815, 900, 954, 972, 978, 1060, 1215, 1325, 1350, 1431, 1467, 1590, 1620, 1630, 1908, 1956, 2025, 2385, 2430, 2445, 2650, 2700, 2862, 2934, 3180, 3260, 3975, 4050, 4075, 4293, 4401, 4770, 4860, 4890, 5300, 5724, 5868, 6075, 7155, 7335, 7950, 8100, 8150, 8586, 8639, 8802, 9540, 9780, 11925, 12150, 12225, 12879, 13203, 14310, 14670, 15900, 16300, 17172, 17278, 17604, 21465, 22005, 23850, 24300, 24450, 25758, 25917, 26406, 28620, 29340, 34556, 35775, 36675, 39609, 42930, 43195, 44010, 47700, 48900, 51516, 51834, 52812, 64395, 66015, 71550, 73350, 77751, 79218, 85860, 86390, 88020, 103668, 107325, 110025, 128790, 129585, 132030, 143100, 146700, 155502, 158436, 172780, 198045, 214650, 215975, 220050, 233253, 257580, 259170, 264060, 311004, 321975, 330075, 388755, 396090, 429300, 431950, 440100, 466506, 518340, 643950, 647925, 660150, 699759, 777510, 792180, 863900, 933012, 990225, 1166265, 1287900, 1295850, 1320300, 1399518, 1555020, 1943775, 1980450, 2099277, 2332530, 2591700, 2799036, 3498795, 3887550, 3960900, 4198554, 4665060, 5831325, 6997590, 7775100, 8397108, 10496385, 11662650, 13995180, 17493975, 20992770, 23325300, 34987950, 41985540, 52481925, 69975900, 104963850, 209927700]

約数ペア:

[(1, 209927700), (2, 104963850), (3, 69975900), (4, 52481925), (5, 41985540), (6, 34987950), (9, 23325300), (10, 20992770), (12, 17493975), (15, 13995180), (18, 11662650), (20, 10496385), (25, 8397108), (27, 7775100), (30, 6997590), (36, 5831325), (45, 4665060), (50, 4198554), (53, 3960900), (54, 3887550), (60, 3498795), (75, 2799036), (81, 2591700), (90, 2332530), (100, 2099277), (106, 1980450), (108, 1943775), (135, 1555020), (150, 1399518), (159, 1320300), (162, 1295850), (163, 1287900), (180, 1166265), (212, 990225), (225, 933012), (243, 863900), (265, 792180), (270, 777510), (300, 699759), (318, 660150), (324, 647925), (326, 643950), (405, 518340), (450, 466506), (477, 440100), (486, 431950), (489, 429300), (530, 396090), (540, 388755), (636, 330075), (652, 321975), (675, 311004), (795, 264060), (810, 259170), (815, 257580), (900, 233253), (954, 220050), (972, 215975), (978, 214650), (1060, 198045), (1215, 172780), (1325, 158436), (1350, 155502), (1431, 146700), (1467, 143100), (1590, 132030), (1620, 129585), (1630, 128790), (1908, 110025), (1956, 107325), (2025, 103668), (2385, 88020), (2430, 86390), (2445, 85860), (2650, 79218), (2700, 77751), (2862, 73350), (2934, 71550), (3180, 66015), (3260, 64395), (3975, 52812), (4050, 51834), (4075, 51516), (4293, 48900), (4401, 47700), (4770, 44010), (4860, 43195), (4890, 42930), (5300, 39609), (5724, 36675), (5868, 35775), (6075, 34556), (7155, 29340), (7335, 28620), (7950, 26406), (8100, 25917), (8150, 25758), (8586, 24450), (8639, 24300), (8802, 23850), (9540, 22005), (9780, 21465), (11925, 17604), (12150, 17278), (12225, 17172), (12879, 16300), (13203, 15900), (14310, 14670)]