193550980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 511128576

約数和(自身を除く): 317577596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 115, 124, 140, 155, 161, 196, 217, 230, 245, 277, 310, 322, 434, 460, 490, 554, 620, 644, 713, 805, 868, 980, 1085, 1108, 1127, 1385, 1426, 1519, 1610, 1939, 2170, 2254, 2770, 2852, 3038, 3220, 3565, 3878, 4340, 4508, 4991, 5540, 5635, 6076, 6371, 7130, 7595, 7756, 8587, 9695, 9982, 11270, 12742, 13573, 14260, 15190, 17174, 19390, 19964, 22540, 24955, 25484, 27146, 30380, 31855, 34348, 34937, 38780, 42935, 44597, 49910, 54292, 60109, 63710, 67865, 69874, 85870, 89194, 99820, 120218, 127420, 135730, 139748, 171740, 174685, 178388, 197501, 222985, 240436, 271460, 300545, 312179, 349370, 395002, 420763, 445970, 601090, 624358, 698740, 790004, 841526, 891940, 987505, 1202180, 1248716, 1382507, 1560895, 1683052, 1975010, 2103815, 2765014, 3121790, 3950020, 4207630, 5530028, 6243580, 6912535, 8415260, 9677549, 13825070, 19355098, 27650140, 38710196, 48387745, 96775490, 193550980]

約数ペア:

[(1, 193550980), (2, 96775490), (4, 48387745), (5, 38710196), (7, 27650140), (10, 19355098), (14, 13825070), (20, 9677549), (23, 8415260), (28, 6912535), (31, 6243580), (35, 5530028), (46, 4207630), (49, 3950020), (62, 3121790), (70, 2765014), (92, 2103815), (98, 1975010), (115, 1683052), (124, 1560895), (140, 1382507), (155, 1248716), (161, 1202180), (196, 987505), (217, 891940), (230, 841526), (245, 790004), (277, 698740), (310, 624358), (322, 601090), (434, 445970), (460, 420763), (490, 395002), (554, 349370), (620, 312179), (644, 300545), (713, 271460), (805, 240436), (868, 222985), (980, 197501), (1085, 178388), (1108, 174685), (1127, 171740), (1385, 139748), (1426, 135730), (1519, 127420), (1610, 120218), (1939, 99820), (2170, 89194), (2254, 85870), (2770, 69874), (2852, 67865), (3038, 63710), (3220, 60109), (3565, 54292), (3878, 49910), (4340, 44597), (4508, 42935), (4991, 38780), (5540, 34937), (5635, 34348), (6076, 31855), (6371, 30380), (7130, 27146), (7595, 25484), (7756, 24955), (8587, 22540), (9695, 19964), (9982, 19390), (11270, 17174), (12742, 15190), (13573, 14260)]