221350278520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{81239}}^1$

素因数の和:81557

約数の個数: 128

約数和(自身を含む): 586799769600

約数和(自身を除く): 365449491080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 263, 280, 296, 370, 518, 526, 740, 1036, 1052, 1295, 1315, 1480, 1841, 2072, 2104, 2590, 2630, 3682, 5180, 5260, 7364, 9205, 9731, 10360, 10520, 14728, 18410, 19462, 36820, 38924, 48655, 68117, 73640, 77848, 81239, 97310, 136234, 162478, 194620, 272468, 324956, 340585, 389240, 406195, 544936, 568673, 649912, 681170, 812390, 1137346, 1362340, 1624780, 2274692, 2724680, 2843365, 3005843, 3249560, 4549384, 5686730, 6011686, 11373460, 12023372, 15029215, 21040901, 21365857, 22746920, 24046744, 30058430, 42081802, 42731714, 60116860, 84163604, 85463428, 105204505, 106829285, 120233720, 149560999, 168327208, 170926856, 210409010, 213658570, 299121998, 420818020, 427317140, 598243996, 747804995, 790536709, 841636040, 854634280, 1196487992, 1495609990, 1581073418, 2991219980, 3162146836, 3952683545, 5533756963, 5982439960, 6324293672, 7905367090, 11067513926, 15810734180, 22135027852, 27668784815, 31621468360, 44270055704, 55337569630, 110675139260, 221350278520]

約数ペア:

[(1, 221350278520), (2, 110675139260), (4, 55337569630), (5, 44270055704), (7, 31621468360), (8, 27668784815), (10, 22135027852), (14, 15810734180), (20, 11067513926), (28, 7905367090), (35, 6324293672), (37, 5982439960), (40, 5533756963), (56, 3952683545), (70, 3162146836), (74, 2991219980), (140, 1581073418), (148, 1495609990), (185, 1196487992), (259, 854634280), (263, 841636040), (280, 790536709), (296, 747804995), (370, 598243996), (518, 427317140), (526, 420818020), (740, 299121998), (1036, 213658570), (1052, 210409010), (1295, 170926856), (1315, 168327208), (1480, 149560999), (1841, 120233720), (2072, 106829285), (2104, 105204505), (2590, 85463428), (2630, 84163604), (3682, 60116860), (5180, 42731714), (5260, 42081802), (7364, 30058430), (9205, 24046744), (9731, 22746920), (10360, 21365857), (10520, 21040901), (14728, 15029215), (18410, 12023372), (19462, 11373460), (36820, 6011686), (38924, 5686730), (48655, 4549384), (68117, 3249560), (73640, 3005843), (77848, 2843365), (81239, 2724680), (97310, 2274692), (136234, 1624780), (162478, 1362340), (194620, 1137346), (272468, 812390), (324956, 681170), (340585, 649912), (389240, 568673), (406195, 544936)]