28156725100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{6101}}^1$

素因数の和:6488

約数の個数: 144

約数和(自身を含む): 73727781120

約数和(自身を除く): 45571056020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 347, 350, 380, 475, 532, 665, 694, 700, 950, 1330, 1388, 1735, 1900, 2429, 2660, 3325, 3470, 4858, 6101, 6593, 6650, 6940, 8675, 9716, 12145, 12202, 13186, 13300, 17350, 24290, 24404, 26372, 30505, 32965, 34700, 42707, 46151, 48580, 60725, 61010, 65930, 85414, 92302, 115919, 121450, 122020, 131860, 152525, 164825, 170828, 184604, 213535, 230755, 231838, 242900, 305050, 329650, 427070, 461510, 463676, 579595, 610100, 659300, 811433, 854140, 923020, 1067675, 1153775, 1159190, 1622866, 2117047, 2135350, 2307550, 2318380, 2897975, 3245732, 4057165, 4234094, 4270700, 4615100, 5795950, 8114330, 8468188, 10585235, 11591900, 14819329, 16228660, 20285825, 21170470, 29638658, 40223893, 40571650, 42340940, 52926175, 59277316, 74096645, 80447786, 81143300, 105852350, 148193290, 160895572, 201119465, 211704700, 281567251, 296386580, 370483225, 402238930, 563134502, 740966450, 804477860, 1005597325, 1126269004, 1407836255, 1481932900, 2011194650, 2815672510, 4022389300, 5631345020, 7039181275, 14078362550, 28156725100]

約数ペア:

[(1, 28156725100), (2, 14078362550), (4, 7039181275), (5, 5631345020), (7, 4022389300), (10, 2815672510), (14, 2011194650), (19, 1481932900), (20, 1407836255), (25, 1126269004), (28, 1005597325), (35, 804477860), (38, 740966450), (50, 563134502), (70, 402238930), (76, 370483225), (95, 296386580), (100, 281567251), (133, 211704700), (140, 201119465), (175, 160895572), (190, 148193290), (266, 105852350), (347, 81143300), (350, 80447786), (380, 74096645), (475, 59277316), (532, 52926175), (665, 42340940), (694, 40571650), (700, 40223893), (950, 29638658), (1330, 21170470), (1388, 20285825), (1735, 16228660), (1900, 14819329), (2429, 11591900), (2660, 10585235), (3325, 8468188), (3470, 8114330), (4858, 5795950), (6101, 4615100), (6593, 4270700), (6650, 4234094), (6940, 4057165), (8675, 3245732), (9716, 2897975), (12145, 2318380), (12202, 2307550), (13186, 2135350), (13300, 2117047), (17350, 1622866), (24290, 1159190), (24404, 1153775), (26372, 1067675), (30505, 923020), (32965, 854140), (34700, 811433), (42707, 659300), (46151, 610100), (48580, 579595), (60725, 463676), (61010, 461510), (65930, 427070), (85414, 329650), (92302, 305050), (115919, 242900), (121450, 231838), (122020, 230755), (131860, 213535), (152525, 184604), (164825, 170828)]