421369830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{222947}}^1$

素因数の和:222970

約数の個数: 64

約数和(自身を含む): 1284180480

約数和(自身を除く): 862810650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 222947, 445894, 668841, 1114735, 1337682, 1560629, 2006523, 2229470, 3121258, 3344205, 4013046, 4681887, 6019569, 6688410, 7803145, 9363774, 10032615, 12039138, 14045661, 15606290, 20065230, 23409435, 28091322, 30097845, 42136983, 46818870, 60195690, 70228305, 84273966, 140456610, 210684915, 421369830]

約数ペア:

[(1, 421369830), (2, 210684915), (3, 140456610), (5, 84273966), (6, 70228305), (7, 60195690), (9, 46818870), (10, 42136983), (14, 30097845), (15, 28091322), (18, 23409435), (21, 20065230), (27, 15606290), (30, 14045661), (35, 12039138), (42, 10032615), (45, 9363774), (54, 7803145), (63, 6688410), (70, 6019569), (90, 4681887), (105, 4013046), (126, 3344205), (135, 3121258), (189, 2229470), (210, 2006523), (270, 1560629), (315, 1337682), (378, 1114735), (630, 668841), (945, 445894), (1890, 222947)]