28291830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 78105600

約数和(自身を除く): 49813770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 677, 995, 1194, 1354, 1393, 1990, 2031, 2786, 2985, 3385, 4062, 4179, 4739, 5970, 6770, 6965, 8358, 9478, 10155, 13930, 14217, 20310, 20895, 23695, 28434, 41790, 47390, 71085, 134723, 142170, 269446, 404169, 673615, 808338, 943061, 1347230, 1886122, 2020845, 2829183, 4041690, 4715305, 5658366, 9430610, 14145915, 28291830]

約数ペア:

[(1, 28291830), (2, 14145915), (3, 9430610), (5, 5658366), (6, 4715305), (7, 4041690), (10, 2829183), (14, 2020845), (15, 1886122), (21, 1347230), (30, 943061), (35, 808338), (42, 673615), (70, 404169), (105, 269446), (199, 142170), (210, 134723), (398, 71085), (597, 47390), (677, 41790), (995, 28434), (1194, 23695), (1354, 20895), (1393, 20310), (1990, 14217), (2031, 13930), (2786, 10155), (2985, 9478), (3385, 8358), (4062, 6965), (4179, 6770), (4739, 5970)]