201921930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5665

約数の個数: 128

約数和(自身を含む): 647884800

約数和(自身を除く): 445962870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1995, 2394, 2565, 3591, 3990, 5130, 5623, 5985, 7182, 11246, 11970, 16869, 17955, 28115, 33738, 35910, 39361, 50607, 56230, 78722, 84345, 101214, 106837, 118083, 151821, 168690, 196805, 213674, 236166, 253035, 303642, 320511, 354249, 393610, 506070, 534185, 590415, 641022, 708498, 747859, 759105, 961533, 1062747, 1068370, 1180830, 1495718, 1518210, 1602555, 1771245, 1923066, 2125494, 2243577, 2884599, 3205110, 3542490, 3739295, 4487154, 4807665, 5313735, 5769198, 6730731, 7478590, 9615330, 10627470, 11217885, 13461462, 14422995, 20192193, 22435770, 28845990, 33653655, 40384386, 67307310, 100960965, 201921930]

約数ペア:

[(1, 201921930), (2, 100960965), (3, 67307310), (5, 40384386), (6, 33653655), (7, 28845990), (9, 22435770), (10, 20192193), (14, 14422995), (15, 13461462), (18, 11217885), (19, 10627470), (21, 9615330), (27, 7478590), (30, 6730731), (35, 5769198), (38, 5313735), (42, 4807665), (45, 4487154), (54, 3739295), (57, 3542490), (63, 3205110), (70, 2884599), (90, 2243577), (95, 2125494), (105, 1923066), (114, 1771245), (126, 1602555), (133, 1518210), (135, 1495718), (171, 1180830), (189, 1068370), (190, 1062747), (210, 961533), (266, 759105), (270, 747859), (285, 708498), (315, 641022), (342, 590415), (378, 534185), (399, 506070), (513, 393610), (570, 354249), (630, 320511), (665, 303642), (798, 253035), (855, 236166), (945, 213674), (1026, 196805), (1197, 168690), (1330, 151821), (1710, 118083), (1890, 106837), (1995, 101214), (2394, 84345), (2565, 78722), (3591, 56230), (3990, 50607), (5130, 39361), (5623, 35910), (5985, 33738), (7182, 28115), (11246, 17955), (11970, 16869)]