28847700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 109229120

約数和(自身を除く): 80381420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 241, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 482, 525, 532, 570, 630, 665, 684, 700, 723, 798, 855, 900, 950, 964, 1050, 1140, 1197, 1205, 1260, 1330, 1425, 1446, 1575, 1596, 1687, 1710, 1900, 1995, 2100, 2169, 2394, 2410, 2660, 2850, 2892, 3150, 3325, 3374, 3420, 3615, 3990, 4275, 4338, 4579, 4788, 4820, 5061, 5700, 5985, 6025, 6300, 6650, 6748, 7230, 7980, 8435, 8550, 8676, 9158, 9975, 10122, 10845, 11970, 12050, 13300, 13737, 14460, 15183, 16870, 17100, 18075, 18316, 19950, 20244, 21690, 22895, 23940, 24100, 25305, 27474, 29925, 30366, 32053, 33740, 36150, 39900, 41211, 42175, 43380, 45790, 50610, 54225, 54948, 59850, 60732, 64106, 68685, 72300, 75915, 82422, 84350, 91580, 96159, 101220, 108450, 114475, 119700, 126525, 128212, 137370, 151830, 160265, 164844, 168700, 192318, 206055, 216900, 228950, 253050, 274740, 288477, 303660, 320530, 343425, 379575, 384636, 412110, 457900, 480795, 506100, 576954, 641060, 686850, 759150, 801325, 824220, 961590, 1030275, 1153908, 1373700, 1442385, 1518300, 1602650, 1923180, 2060550, 2403975, 2884770, 3205300, 4121100, 4807950, 5769540, 7211925, 9615900, 14423850, 28847700]

約数ペア:

[(1, 28847700), (2, 14423850), (3, 9615900), (4, 7211925), (5, 5769540), (6, 4807950), (7, 4121100), (9, 3205300), (10, 2884770), (12, 2403975), (14, 2060550), (15, 1923180), (18, 1602650), (19, 1518300), (20, 1442385), (21, 1373700), (25, 1153908), (28, 1030275), (30, 961590), (35, 824220), (36, 801325), (38, 759150), (42, 686850), (45, 641060), (50, 576954), (57, 506100), (60, 480795), (63, 457900), (70, 412110), (75, 384636), (76, 379575), (84, 343425), (90, 320530), (95, 303660), (100, 288477), (105, 274740), (114, 253050), (126, 228950), (133, 216900), (140, 206055), (150, 192318), (171, 168700), (175, 164844), (180, 160265), (190, 151830), (210, 137370), (225, 128212), (228, 126525), (241, 119700), (252, 114475), (266, 108450), (285, 101220), (300, 96159), (315, 91580), (342, 84350), (350, 82422), (380, 75915), (399, 72300), (420, 68685), (450, 64106), (475, 60732), (482, 59850), (525, 54948), (532, 54225), (570, 50610), (630, 45790), (665, 43380), (684, 42175), (700, 41211), (723, 39900), (798, 36150), (855, 33740), (900, 32053), (950, 30366), (964, 29925), (1050, 27474), (1140, 25305), (1197, 24100), (1205, 23940), (1260, 22895), (1330, 21690), (1425, 20244), (1446, 19950), (1575, 18316), (1596, 18075), (1687, 17100), (1710, 16870), (1900, 15183), (1995, 14460), (2100, 13737), (2169, 13300), (2394, 12050), (2410, 11970), (2660, 10845), (2850, 10122), (2892, 9975), (3150, 9158), (3325, 8676), (3374, 8550), (3420, 8435), (3615, 7980), (3990, 7230), (4275, 6748), (4338, 6650), (4579, 6300), (4788, 6025), (4820, 5985), (5061, 5700)]