28978170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 76083840

約数和(自身を除く): 47105670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1109, 1742, 2010, 2218, 2613, 3327, 4355, 5226, 5545, 6654, 8710, 11090, 13065, 14417, 16635, 26130, 28834, 33270, 43251, 72085, 74303, 86502, 144170, 148606, 216255, 222909, 371515, 432510, 445818, 743030, 965939, 1114545, 1931878, 2229090, 2897817, 4829695, 5795634, 9659390, 14489085, 28978170]

約数ペア:

[(1, 28978170), (2, 14489085), (3, 9659390), (5, 5795634), (6, 4829695), (10, 2897817), (13, 2229090), (15, 1931878), (26, 1114545), (30, 965939), (39, 743030), (65, 445818), (67, 432510), (78, 371515), (130, 222909), (134, 216255), (195, 148606), (201, 144170), (335, 86502), (390, 74303), (402, 72085), (670, 43251), (871, 33270), (1005, 28834), (1109, 26130), (1742, 16635), (2010, 14417), (2218, 13065), (2613, 11090), (3327, 8710), (4355, 6654), (5226, 5545)]