2189940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 6894720

約数和(自身を除く): 4704780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 113, 114, 170, 190, 204, 226, 228, 255, 285, 323, 339, 340, 380, 452, 510, 565, 570, 646, 678, 969, 1020, 1130, 1140, 1292, 1356, 1615, 1695, 1921, 1938, 2147, 2260, 3230, 3390, 3842, 3876, 4294, 4845, 5763, 6441, 6460, 6780, 7684, 8588, 9605, 9690, 10735, 11526, 12882, 19210, 19380, 21470, 23052, 25764, 28815, 32205, 36499, 38420, 42940, 57630, 64410, 72998, 109497, 115260, 128820, 145996, 182495, 218994, 364990, 437988, 547485, 729980, 1094970, 2189940]

約数ペア:

[(1, 2189940), (2, 1094970), (3, 729980), (4, 547485), (5, 437988), (6, 364990), (10, 218994), (12, 182495), (15, 145996), (17, 128820), (19, 115260), (20, 109497), (30, 72998), (34, 64410), (38, 57630), (51, 42940), (57, 38420), (60, 36499), (68, 32205), (76, 28815), (85, 25764), (95, 23052), (102, 21470), (113, 19380), (114, 19210), (170, 12882), (190, 11526), (204, 10735), (226, 9690), (228, 9605), (255, 8588), (285, 7684), (323, 6780), (339, 6460), (340, 6441), (380, 5763), (452, 4845), (510, 4294), (565, 3876), (570, 3842), (646, 3390), (678, 3230), (969, 2260), (1020, 2147), (1130, 1938), (1140, 1921), (1292, 1695), (1356, 1615)]