213517460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 508032000

約数和(自身を除く): 294514540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 59, 62, 65, 118, 124, 130, 155, 236, 260, 295, 310, 403, 449, 590, 620, 767, 806, 898, 1180, 1534, 1612, 1796, 1829, 2015, 2245, 3068, 3658, 3835, 4030, 4490, 5837, 7316, 7670, 8060, 8980, 9145, 11674, 13919, 15340, 18290, 23348, 23777, 26491, 27838, 29185, 36580, 47554, 52982, 55676, 58370, 69595, 95108, 105964, 116740, 118885, 132455, 139190, 180947, 237770, 264910, 278380, 344383, 361894, 475540, 529820, 688766, 723788, 821221, 904735, 1377532, 1642442, 1721915, 1809470, 3284884, 3443830, 3618940, 4106105, 6887660, 8212210, 10675873, 16424420, 21351746, 42703492, 53379365, 106758730, 213517460]

約数ペア:

[(1, 213517460), (2, 106758730), (4, 53379365), (5, 42703492), (10, 21351746), (13, 16424420), (20, 10675873), (26, 8212210), (31, 6887660), (52, 4106105), (59, 3618940), (62, 3443830), (65, 3284884), (118, 1809470), (124, 1721915), (130, 1642442), (155, 1377532), (236, 904735), (260, 821221), (295, 723788), (310, 688766), (403, 529820), (449, 475540), (590, 361894), (620, 344383), (767, 278380), (806, 264910), (898, 237770), (1180, 180947), (1534, 139190), (1612, 132455), (1796, 118885), (1829, 116740), (2015, 105964), (2245, 95108), (3068, 69595), (3658, 58370), (3835, 55676), (4030, 52982), (4490, 47554), (5837, 36580), (7316, 29185), (7670, 27838), (8060, 26491), (8980, 23777), (9145, 23348), (11674, 18290), (13919, 15340)]