28156100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 77078400

約数和(自身を除く): 48922300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 29, 35, 38, 50, 58, 70, 73, 76, 95, 100, 116, 133, 140, 145, 146, 175, 190, 203, 266, 290, 292, 350, 365, 380, 406, 475, 511, 532, 551, 580, 665, 700, 725, 730, 812, 950, 1015, 1022, 1102, 1330, 1387, 1450, 1460, 1825, 1900, 2030, 2044, 2117, 2204, 2555, 2660, 2755, 2774, 2900, 3325, 3650, 3857, 4060, 4234, 5075, 5110, 5510, 5548, 6650, 6935, 7300, 7714, 8468, 9709, 10150, 10220, 10585, 11020, 12775, 13300, 13775, 13870, 14819, 15428, 19285, 19418, 20300, 21170, 25550, 27550, 27740, 29638, 34675, 38570, 38836, 40223, 42340, 48545, 51100, 52925, 55100, 59276, 69350, 74095, 77140, 80446, 96425, 97090, 105850, 138700, 148190, 160892, 192850, 194180, 201115, 211700, 242725, 281561, 296380, 370475, 385700, 402230, 485450, 563122, 740950, 804460, 970900, 1005575, 1126244, 1407805, 1481900, 2011150, 2815610, 4022300, 5631220, 7039025, 14078050, 28156100]

約数ペア:

[(1, 28156100), (2, 14078050), (4, 7039025), (5, 5631220), (7, 4022300), (10, 2815610), (14, 2011150), (19, 1481900), (20, 1407805), (25, 1126244), (28, 1005575), (29, 970900), (35, 804460), (38, 740950), (50, 563122), (58, 485450), (70, 402230), (73, 385700), (76, 370475), (95, 296380), (100, 281561), (116, 242725), (133, 211700), (140, 201115), (145, 194180), (146, 192850), (175, 160892), (190, 148190), (203, 138700), (266, 105850), (290, 97090), (292, 96425), (350, 80446), (365, 77140), (380, 74095), (406, 69350), (475, 59276), (511, 55100), (532, 52925), (551, 51100), (580, 48545), (665, 42340), (700, 40223), (725, 38836), (730, 38570), (812, 34675), (950, 29638), (1015, 27740), (1022, 27550), (1102, 25550), (1330, 21170), (1387, 20300), (1450, 19418), (1460, 19285), (1825, 15428), (1900, 14819), (2030, 13870), (2044, 13775), (2117, 13300), (2204, 12775), (2555, 11020), (2660, 10585), (2755, 10220), (2774, 10150), (2900, 9709), (3325, 8468), (3650, 7714), (3857, 7300), (4060, 6935), (4234, 6650), (5075, 5548), (5110, 5510)]