211399540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 505774080

約数和(自身を除く): 294374540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 139, 155, 220, 223, 278, 310, 341, 446, 556, 620, 682, 695, 892, 1115, 1364, 1390, 1529, 1705, 2230, 2453, 2780, 3058, 3410, 4309, 4460, 4906, 6116, 6820, 6913, 7645, 8618, 9812, 12265, 13826, 15290, 17236, 21545, 24530, 27652, 30580, 30997, 34565, 43090, 47399, 49060, 61994, 69130, 76043, 86180, 94798, 123988, 138260, 152086, 154985, 189596, 236995, 304172, 309970, 340967, 380215, 473990, 619940, 681934, 760430, 947980, 960907, 1363868, 1520860, 1704835, 1921814, 3409670, 3843628, 4804535, 6819340, 9609070, 10569977, 19218140, 21139954, 42279908, 52849885, 105699770, 211399540]

約数ペア:

[(1, 211399540), (2, 105699770), (4, 52849885), (5, 42279908), (10, 21139954), (11, 19218140), (20, 10569977), (22, 9609070), (31, 6819340), (44, 4804535), (55, 3843628), (62, 3409670), (110, 1921814), (124, 1704835), (139, 1520860), (155, 1363868), (220, 960907), (223, 947980), (278, 760430), (310, 681934), (341, 619940), (446, 473990), (556, 380215), (620, 340967), (682, 309970), (695, 304172), (892, 236995), (1115, 189596), (1364, 154985), (1390, 152086), (1529, 138260), (1705, 123988), (2230, 94798), (2453, 86180), (2780, 76043), (3058, 69130), (3410, 61994), (4309, 49060), (4460, 47399), (4906, 43090), (6116, 34565), (6820, 30997), (6913, 30580), (7645, 27652), (8618, 24530), (9812, 21545), (12265, 17236), (13826, 15290)]