20434500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 68140800

約数和(自身を除く): 47706300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 239, 250, 285, 300, 342, 375, 380, 450, 475, 478, 500, 570, 684, 717, 750, 855, 900, 950, 956, 1125, 1140, 1195, 1425, 1434, 1500, 1710, 1900, 2151, 2250, 2375, 2390, 2850, 2868, 3420, 3585, 4275, 4302, 4500, 4541, 4750, 4780, 5700, 5975, 7125, 7170, 8550, 8604, 9082, 9500, 10755, 11950, 13623, 14250, 14340, 17100, 17925, 18164, 21375, 21510, 22705, 23900, 27246, 28500, 29875, 35850, 40869, 42750, 43020, 45410, 53775, 54492, 59750, 68115, 71700, 81738, 85500, 89625, 90820, 107550, 113525, 119500, 136230, 163476, 179250, 204345, 215100, 227050, 268875, 272460, 340575, 358500, 408690, 454100, 537750, 567625, 681150, 817380, 1021725, 1075500, 1135250, 1362300, 1702875, 2043450, 2270500, 3405750, 4086900, 5108625, 6811500, 10217250, 20434500]

約数ペア:

[(1, 20434500), (2, 10217250), (3, 6811500), (4, 5108625), (5, 4086900), (6, 3405750), (9, 2270500), (10, 2043450), (12, 1702875), (15, 1362300), (18, 1135250), (19, 1075500), (20, 1021725), (25, 817380), (30, 681150), (36, 567625), (38, 537750), (45, 454100), (50, 408690), (57, 358500), (60, 340575), (75, 272460), (76, 268875), (90, 227050), (95, 215100), (100, 204345), (114, 179250), (125, 163476), (150, 136230), (171, 119500), (180, 113525), (190, 107550), (225, 90820), (228, 89625), (239, 85500), (250, 81738), (285, 71700), (300, 68115), (342, 59750), (375, 54492), (380, 53775), (450, 45410), (475, 43020), (478, 42750), (500, 40869), (570, 35850), (684, 29875), (717, 28500), (750, 27246), (855, 23900), (900, 22705), (950, 21510), (956, 21375), (1125, 18164), (1140, 17925), (1195, 17100), (1425, 14340), (1434, 14250), (1500, 13623), (1710, 11950), (1900, 10755), (2151, 9500), (2250, 9082), (2375, 8604), (2390, 8550), (2850, 7170), (2868, 7125), (3420, 5975), (3585, 5700), (4275, 4780), (4302, 4750), (4500, 4541)]