221073090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1248

約数の個数: 128

約数和(自身を含む): 648069120

約数和(自身を除く): 426996030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 31, 35, 42, 58, 62, 70, 87, 93, 105, 145, 155, 174, 186, 203, 210, 217, 290, 310, 406, 434, 435, 465, 609, 651, 870, 899, 930, 1015, 1085, 1171, 1218, 1302, 1798, 2030, 2170, 2342, 2697, 3045, 3255, 3513, 4495, 5394, 5855, 6090, 6293, 6510, 7026, 8197, 8990, 11710, 12586, 13485, 16394, 17565, 18879, 24591, 26970, 31465, 33959, 35130, 36301, 37758, 40985, 49182, 62930, 67918, 72602, 81970, 94395, 101877, 108903, 122955, 169795, 181505, 188790, 203754, 217806, 237713, 245910, 254107, 339590, 363010, 475426, 508214, 509385, 544515, 713139, 762321, 1018770, 1052729, 1089030, 1188565, 1270535, 1426278, 1524642, 2105458, 2377130, 2541070, 3158187, 3565695, 3811605, 5263645, 6316374, 7131390, 7369103, 7623210, 10527290, 14738206, 15790935, 22107309, 31581870, 36845515, 44214618, 73691030, 110536545, 221073090]

約数ペア:

[(1, 221073090), (2, 110536545), (3, 73691030), (5, 44214618), (6, 36845515), (7, 31581870), (10, 22107309), (14, 15790935), (15, 14738206), (21, 10527290), (29, 7623210), (30, 7369103), (31, 7131390), (35, 6316374), (42, 5263645), (58, 3811605), (62, 3565695), (70, 3158187), (87, 2541070), (93, 2377130), (105, 2105458), (145, 1524642), (155, 1426278), (174, 1270535), (186, 1188565), (203, 1089030), (210, 1052729), (217, 1018770), (290, 762321), (310, 713139), (406, 544515), (434, 509385), (435, 508214), (465, 475426), (609, 363010), (651, 339590), (870, 254107), (899, 245910), (930, 237713), (1015, 217806), (1085, 203754), (1171, 188790), (1218, 181505), (1302, 169795), (1798, 122955), (2030, 108903), (2170, 101877), (2342, 94395), (2697, 81970), (3045, 72602), (3255, 67918), (3513, 62930), (4495, 49182), (5394, 40985), (5855, 37758), (6090, 36301), (6293, 35130), (6510, 33959), (7026, 31465), (8197, 26970), (8990, 24591), (11710, 18879), (12586, 17565), (13485, 16394)]