55431740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 154173600

約数和(自身を除く): 98741860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 229, 245, 247, 260, 266, 364, 380, 455, 458, 490, 494, 532, 637, 665, 910, 916, 931, 980, 988, 1145, 1235, 1274, 1330, 1603, 1729, 1820, 1862, 2290, 2470, 2548, 2660, 2977, 3185, 3206, 3458, 3724, 4351, 4580, 4655, 4940, 5954, 6370, 6412, 6916, 8015, 8645, 8702, 9310, 11221, 11908, 12103, 12740, 14885, 16030, 17290, 17404, 18620, 20839, 21755, 22442, 24206, 29770, 30457, 32060, 34580, 41678, 43510, 44884, 48412, 56105, 56563, 59540, 60515, 60914, 83356, 87020, 104195, 112210, 113126, 121030, 121828, 145873, 152285, 208390, 213199, 224420, 226252, 242060, 282815, 291746, 304570, 395941, 416780, 426398, 565630, 583492, 609140, 729365, 791882, 852796, 1065995, 1131260, 1458730, 1583764, 1979705, 2131990, 2771587, 2917460, 3959410, 4263980, 5543174, 7918820, 11086348, 13857935, 27715870, 55431740]

約数ペア:

[(1, 55431740), (2, 27715870), (4, 13857935), (5, 11086348), (7, 7918820), (10, 5543174), (13, 4263980), (14, 3959410), (19, 2917460), (20, 2771587), (26, 2131990), (28, 1979705), (35, 1583764), (38, 1458730), (49, 1131260), (52, 1065995), (65, 852796), (70, 791882), (76, 729365), (91, 609140), (95, 583492), (98, 565630), (130, 426398), (133, 416780), (140, 395941), (182, 304570), (190, 291746), (196, 282815), (229, 242060), (245, 226252), (247, 224420), (260, 213199), (266, 208390), (364, 152285), (380, 145873), (455, 121828), (458, 121030), (490, 113126), (494, 112210), (532, 104195), (637, 87020), (665, 83356), (910, 60914), (916, 60515), (931, 59540), (980, 56563), (988, 56105), (1145, 48412), (1235, 44884), (1274, 43510), (1330, 41678), (1603, 34580), (1729, 32060), (1820, 30457), (1862, 29770), (2290, 24206), (2470, 22442), (2548, 21755), (2660, 20839), (2977, 18620), (3185, 17404), (3206, 17290), (3458, 16030), (3724, 14885), (4351, 12740), (4580, 12103), (4655, 11908), (4940, 11221), (5954, 9310), (6370, 8702), (6412, 8645), (6916, 8015)]