28028700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1513

約数の個数: 144

約数和(自身を含む): 103048960

約数和(自身を除く): 75020260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1483, 1575, 1890, 2100, 2700, 2966, 3150, 3780, 4449, 4725, 5932, 6300, 7415, 8898, 9450, 10381, 13347, 14830, 17796, 18900, 20762, 22245, 26694, 29660, 31143, 37075, 40041, 41524, 44490, 51905, 53388, 62286, 66735, 74150, 80082, 88980, 93429, 103810, 111225, 124572, 133470, 148300, 155715, 160164, 186858, 200205, 207620, 222450, 259525, 266940, 280287, 311430, 333675, 373716, 400410, 444900, 467145, 519050, 560574, 622860, 667350, 778575, 800820, 934290, 1001025, 1038100, 1121148, 1334700, 1401435, 1557150, 1868580, 2002050, 2335725, 2802870, 3114300, 4004100, 4671450, 5605740, 7007175, 9342900, 14014350, 28028700]

約数ペア:

[(1, 28028700), (2, 14014350), (3, 9342900), (4, 7007175), (5, 5605740), (6, 4671450), (7, 4004100), (9, 3114300), (10, 2802870), (12, 2335725), (14, 2002050), (15, 1868580), (18, 1557150), (20, 1401435), (21, 1334700), (25, 1121148), (27, 1038100), (28, 1001025), (30, 934290), (35, 800820), (36, 778575), (42, 667350), (45, 622860), (50, 560574), (54, 519050), (60, 467145), (63, 444900), (70, 400410), (75, 373716), (84, 333675), (90, 311430), (100, 280287), (105, 266940), (108, 259525), (126, 222450), (135, 207620), (140, 200205), (150, 186858), (175, 160164), (180, 155715), (189, 148300), (210, 133470), (225, 124572), (252, 111225), (270, 103810), (300, 93429), (315, 88980), (350, 80082), (378, 74150), (420, 66735), (450, 62286), (525, 53388), (540, 51905), (630, 44490), (675, 41524), (700, 40041), (756, 37075), (900, 31143), (945, 29660), (1050, 26694), (1260, 22245), (1350, 20762), (1483, 18900), (1575, 17796), (1890, 14830), (2100, 13347), (2700, 10381), (2966, 9450), (3150, 8898), (3780, 7415), (4449, 6300), (4725, 5932)]