42630980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 106781976

約数和(自身を除く): 64150996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1061, 1148, 1435, 2009, 2122, 2870, 4018, 4244, 5305, 5740, 7427, 8036, 10045, 10610, 14854, 20090, 21220, 29708, 37135, 40180, 43501, 51989, 74270, 87002, 103978, 148540, 174004, 207956, 217505, 259945, 304507, 435010, 519890, 609014, 870020, 1039780, 1218028, 1522535, 2131549, 3045070, 4263098, 6090140, 8526196, 10657745, 21315490, 42630980]

約数ペア:

[(1, 42630980), (2, 21315490), (4, 10657745), (5, 8526196), (7, 6090140), (10, 4263098), (14, 3045070), (20, 2131549), (28, 1522535), (35, 1218028), (41, 1039780), (49, 870020), (70, 609014), (82, 519890), (98, 435010), (140, 304507), (164, 259945), (196, 217505), (205, 207956), (245, 174004), (287, 148540), (410, 103978), (490, 87002), (574, 74270), (820, 51989), (980, 43501), (1061, 40180), (1148, 37135), (1435, 29708), (2009, 21220), (2122, 20090), (2870, 14854), (4018, 10610), (4244, 10045), (5305, 8036), (5740, 7427)]