253108100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 666624000

約数和(自身を除く): 413515900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 79, 92, 100, 115, 140, 158, 161, 175, 199, 230, 316, 322, 350, 395, 398, 460, 553, 575, 644, 700, 790, 796, 805, 995, 1106, 1150, 1393, 1580, 1610, 1817, 1975, 1990, 2212, 2300, 2765, 2786, 3220, 3634, 3950, 3980, 4025, 4577, 4975, 5530, 5572, 6965, 7268, 7900, 8050, 9085, 9154, 9950, 11060, 12719, 13825, 13930, 15721, 16100, 18170, 18308, 19900, 22885, 25438, 27650, 27860, 31442, 32039, 34825, 36340, 45425, 45770, 50876, 55300, 62884, 63595, 64078, 69650, 78605, 90850, 91540, 110047, 114425, 127190, 128156, 139300, 157210, 160195, 181700, 220094, 228850, 254380, 314420, 317975, 320390, 361583, 393025, 440188, 457700, 550235, 635950, 640780, 723166, 786050, 800975, 1100470, 1271900, 1446332, 1572100, 1601950, 1807915, 2200940, 2531081, 2751175, 3203900, 3615830, 5062162, 5502350, 7231660, 9039575, 10124324, 11004700, 12655405, 18079150, 25310810, 36158300, 50621620, 63277025, 126554050, 253108100]

約数ペア:

[(1, 253108100), (2, 126554050), (4, 63277025), (5, 50621620), (7, 36158300), (10, 25310810), (14, 18079150), (20, 12655405), (23, 11004700), (25, 10124324), (28, 9039575), (35, 7231660), (46, 5502350), (50, 5062162), (70, 3615830), (79, 3203900), (92, 2751175), (100, 2531081), (115, 2200940), (140, 1807915), (158, 1601950), (161, 1572100), (175, 1446332), (199, 1271900), (230, 1100470), (316, 800975), (322, 786050), (350, 723166), (395, 640780), (398, 635950), (460, 550235), (553, 457700), (575, 440188), (644, 393025), (700, 361583), (790, 320390), (796, 317975), (805, 314420), (995, 254380), (1106, 228850), (1150, 220094), (1393, 181700), (1580, 160195), (1610, 157210), (1817, 139300), (1975, 128156), (1990, 127190), (2212, 114425), (2300, 110047), (2765, 91540), (2786, 90850), (3220, 78605), (3634, 69650), (3950, 64078), (3980, 63595), (4025, 62884), (4577, 55300), (4975, 50876), (5530, 45770), (5572, 45425), (6965, 36340), (7268, 34825), (7900, 32039), (8050, 31442), (9085, 27860), (9154, 27650), (9950, 25438), (11060, 22885), (12719, 19900), (13825, 18308), (13930, 18170), (15721, 16100)]