7061440400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81353}}^1$

素因数の和:81409

約数の個数: 120

約数和(自身を含む): 20014385664

約数和(自身を除く): 12952945264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 3100, 3472, 4340, 5425, 6200, 8680, 10850, 12400, 17360, 21700, 43400, 81353, 86800, 162706, 325412, 406765, 569471, 650824, 813530, 1138942, 1301648, 1627060, 2033825, 2277884, 2521943, 2847355, 3254120, 4067650, 4555768, 5043886, 5694710, 6508240, 8135300, 9111536, 10087772, 11389420, 12609715, 14236775, 16270600, 17653601, 20175544, 22778840, 25219430, 28473550, 32541200, 35307202, 40351088, 45557680, 50438860, 56947100, 63048575, 70614404, 88268005, 100877720, 113894200, 126097150, 141228808, 176536010, 201755440, 227788400, 252194300, 282457616, 353072020, 441340025, 504388600, 706144040, 882680050, 1008777200, 1412288080, 1765360100, 3530720200, 7061440400]

約数ペア:

[(1, 7061440400), (2, 3530720200), (4, 1765360100), (5, 1412288080), (7, 1008777200), (8, 882680050), (10, 706144040), (14, 504388600), (16, 441340025), (20, 353072020), (25, 282457616), (28, 252194300), (31, 227788400), (35, 201755440), (40, 176536010), (50, 141228808), (56, 126097150), (62, 113894200), (70, 100877720), (80, 88268005), (100, 70614404), (112, 63048575), (124, 56947100), (140, 50438860), (155, 45557680), (175, 40351088), (200, 35307202), (217, 32541200), (248, 28473550), (280, 25219430), (310, 22778840), (350, 20175544), (400, 17653601), (434, 16270600), (496, 14236775), (560, 12609715), (620, 11389420), (700, 10087772), (775, 9111536), (868, 8135300), (1085, 6508240), (1240, 5694710), (1400, 5043886), (1550, 4555768), (1736, 4067650), (2170, 3254120), (2480, 2847355), (2800, 2521943), (3100, 2277884), (3472, 2033825), (4340, 1627060), (5425, 1301648), (6200, 1138942), (8680, 813530), (10850, 650824), (12400, 569471), (17360, 406765), (21700, 325412), (43400, 162706), (81353, 86800)]