18963173950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{266899}}^1$

素因数の和:266954

約数の個数: 72

約数和(自身を含む): 42445107000

約数和(自身を除く): 23481933050

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 406, 490, 725, 1015, 1225, 1421, 1450, 2030, 2450, 2842, 5075, 7105, 10150, 14210, 35525, 71050, 266899, 533798, 1334495, 1868293, 2668990, 3736586, 6672475, 7740071, 9341465, 13078051, 13344950, 15480142, 18682930, 26156102, 38700355, 46707325, 54180497, 65390255, 77400710, 93414650, 108360994, 130780510, 193501775, 270902485, 326951275, 379263479, 387003550, 541804970, 653902550, 758526958, 1354512425, 1896317395, 2709024850, 3792634790, 9481586975, 18963173950]

約数ペア:

[(1, 18963173950), (2, 9481586975), (5, 3792634790), (7, 2709024850), (10, 1896317395), (14, 1354512425), (25, 758526958), (29, 653902550), (35, 541804970), (49, 387003550), (50, 379263479), (58, 326951275), (70, 270902485), (98, 193501775), (145, 130780510), (175, 108360994), (203, 93414650), (245, 77400710), (290, 65390255), (350, 54180497), (406, 46707325), (490, 38700355), (725, 26156102), (1015, 18682930), (1225, 15480142), (1421, 13344950), (1450, 13078051), (2030, 9341465), (2450, 7740071), (2842, 6672475), (5075, 3736586), (7105, 2668990), (10150, 1868293), (14210, 1334495), (35525, 533798), (71050, 266899)]