1972378030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 4412620800

約数和(自身を除く): 2440242770

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 139, 190, 227, 235, 266, 278, 329, 454, 470, 658, 665, 695, 893, 973, 1135, 1330, 1390, 1589, 1645, 1786, 1946, 2270, 2641, 3178, 3290, 4313, 4465, 4865, 5282, 6251, 6533, 7945, 8626, 8930, 9730, 10669, 12502, 13066, 13205, 15890, 18487, 21338, 21565, 26410, 30191, 31255, 31553, 32665, 36974, 43130, 45731, 53345, 60382, 62510, 63106, 65330, 74683, 91462, 92435, 106690, 124127, 149366, 150955, 157765, 184870, 202711, 220871, 228655, 248254, 301910, 315530, 373415, 405422, 441742, 457310, 599507, 620635, 746830, 868889, 1013555, 1104355, 1199014, 1241270, 1418977, 1482991, 1737778, 2027110, 2208710, 2837954, 2965982, 2997535, 4196549, 4344445, 5995070, 7094885, 7414955, 8393098, 8688890, 10380937, 14189770, 14829910, 20761874, 20982745, 28176829, 41965490, 51904685, 56353658, 103809370, 140884145, 197237803, 281768290, 394475606, 986189015, 1972378030]

約数ペア:

[(1, 1972378030), (2, 986189015), (5, 394475606), (7, 281768290), (10, 197237803), (14, 140884145), (19, 103809370), (35, 56353658), (38, 51904685), (47, 41965490), (70, 28176829), (94, 20982745), (95, 20761874), (133, 14829910), (139, 14189770), (190, 10380937), (227, 8688890), (235, 8393098), (266, 7414955), (278, 7094885), (329, 5995070), (454, 4344445), (470, 4196549), (658, 2997535), (665, 2965982), (695, 2837954), (893, 2208710), (973, 2027110), (1135, 1737778), (1330, 1482991), (1390, 1418977), (1589, 1241270), (1645, 1199014), (1786, 1104355), (1946, 1013555), (2270, 868889), (2641, 746830), (3178, 620635), (3290, 599507), (4313, 457310), (4465, 441742), (4865, 405422), (5282, 373415), (6251, 315530), (6533, 301910), (7945, 248254), (8626, 228655), (8930, 220871), (9730, 202711), (10669, 184870), (12502, 157765), (13066, 150955), (13205, 149366), (15890, 124127), (18487, 106690), (21338, 92435), (21565, 91462), (26410, 74683), (30191, 65330), (31255, 63106), (31553, 62510), (32665, 60382), (36974, 53345), (43130, 45731)]