54889994380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{219683}}^1$

素因数の和:219767

約数の個数: 72

約数和(自身を含む): 128269972656

約数和(自身を除く): 73379978276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 8060, 9610, 12493, 19220, 24986, 49972, 62465, 124930, 219683, 249860, 439366, 878732, 1098415, 2196830, 2855879, 4393660, 5711758, 6810173, 11423516, 13620346, 14279395, 27240692, 28558790, 34050865, 57117580, 68101730, 88532249, 136203460, 177064498, 211115363, 354128996, 422230726, 442661245, 844461452, 885322490, 1055576815, 1770644980, 2111153630, 2744499719, 4222307260, 5488999438, 10977998876, 13722498595, 27444997190, 54889994380]

約数ペア:

[(1, 54889994380), (2, 27444997190), (4, 13722498595), (5, 10977998876), (10, 5488999438), (13, 4222307260), (20, 2744499719), (26, 2111153630), (31, 1770644980), (52, 1055576815), (62, 885322490), (65, 844461452), (124, 442661245), (130, 422230726), (155, 354128996), (260, 211115363), (310, 177064498), (403, 136203460), (620, 88532249), (806, 68101730), (961, 57117580), (1612, 34050865), (1922, 28558790), (2015, 27240692), (3844, 14279395), (4030, 13620346), (4805, 11423516), (8060, 6810173), (9610, 5711758), (12493, 4393660), (19220, 2855879), (24986, 2196830), (49972, 1098415), (62465, 878732), (124930, 439366), (219683, 249860)]