28395900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 144

約数和(自身を含む): 98431200

約数和(自身を除く): 70035300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 650, 675, 702, 780, 809, 900, 975, 1170, 1300, 1350, 1404, 1618, 1755, 1950, 2340, 2427, 2700, 2925, 3236, 3510, 3900, 4045, 4854, 5850, 7020, 7281, 8090, 8775, 9708, 10517, 11700, 12135, 14562, 16180, 17550, 20225, 21034, 21843, 24270, 29124, 31551, 35100, 36405, 40450, 42068, 43686, 48540, 52585, 60675, 63102, 72810, 80900, 87372, 94653, 105170, 109215, 121350, 126204, 145620, 157755, 182025, 189306, 210340, 218430, 242700, 262925, 283959, 315510, 364050, 378612, 436860, 473265, 525850, 546075, 567918, 631020, 728100, 788775, 946530, 1051700, 1092150, 1135836, 1419795, 1577550, 1893060, 2184300, 2366325, 2839590, 3155100, 4732650, 5679180, 7098975, 9465300, 14197950, 28395900]

約数ペア:

[(1, 28395900), (2, 14197950), (3, 9465300), (4, 7098975), (5, 5679180), (6, 4732650), (9, 3155100), (10, 2839590), (12, 2366325), (13, 2184300), (15, 1893060), (18, 1577550), (20, 1419795), (25, 1135836), (26, 1092150), (27, 1051700), (30, 946530), (36, 788775), (39, 728100), (45, 631020), (50, 567918), (52, 546075), (54, 525850), (60, 473265), (65, 436860), (75, 378612), (78, 364050), (90, 315510), (100, 283959), (108, 262925), (117, 242700), (130, 218430), (135, 210340), (150, 189306), (156, 182025), (180, 157755), (195, 145620), (225, 126204), (234, 121350), (260, 109215), (270, 105170), (300, 94653), (325, 87372), (351, 80900), (390, 72810), (450, 63102), (468, 60675), (540, 52585), (585, 48540), (650, 43686), (675, 42068), (702, 40450), (780, 36405), (809, 35100), (900, 31551), (975, 29124), (1170, 24270), (1300, 21843), (1350, 21034), (1404, 20225), (1618, 17550), (1755, 16180), (1950, 14562), (2340, 12135), (2427, 11700), (2700, 10517), (2925, 9708), (3236, 8775), (3510, 8090), (3900, 7281), (4045, 7020), (4854, 5850)]