2800144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 5842880

約数和(自身を除く): 3042736

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 151, 152, 244, 302, 304, 488, 604, 976, 1159, 1208, 2318, 2416, 2869, 4636, 5738, 9211, 9272, 11476, 18422, 18544, 22952, 36844, 45904, 73688, 147376, 175009, 350018, 700036, 1400072, 2800144]

約数ペア:

[(1, 2800144), (2, 1400072), (4, 700036), (8, 350018), (16, 175009), (19, 147376), (38, 73688), (61, 45904), (76, 36844), (122, 22952), (151, 18544), (152, 18422), (244, 11476), (302, 9272), (304, 9211), (488, 5738), (604, 4636), (976, 2869), (1159, 2416), (1208, 2318)]