1999648750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6323}}^1$

素因数の和:6379

約数の個数: 80

約数和(自身を含む): 4267334016

約数和(自身を除く): 2267685266

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 506, 550, 575, 625, 1150, 1250, 1265, 1375, 2530, 2750, 2875, 5750, 6323, 6325, 6875, 12646, 12650, 13750, 14375, 28750, 31615, 31625, 63230, 63250, 69553, 139106, 145429, 158075, 158125, 290858, 316150, 316250, 347765, 695530, 727145, 790375, 1454290, 1580750, 1599719, 1738825, 3199438, 3477650, 3635725, 3951875, 7271450, 7903750, 7998595, 8694125, 15997190, 17388250, 18178625, 36357250, 39992975, 43470625, 79985950, 86941250, 90893125, 181786250, 199964875, 399929750, 999824375, 1999648750]

約数ペア:

[(1, 1999648750), (2, 999824375), (5, 399929750), (10, 199964875), (11, 181786250), (22, 90893125), (23, 86941250), (25, 79985950), (46, 43470625), (50, 39992975), (55, 36357250), (110, 18178625), (115, 17388250), (125, 15997190), (230, 8694125), (250, 7998595), (253, 7903750), (275, 7271450), (506, 3951875), (550, 3635725), (575, 3477650), (625, 3199438), (1150, 1738825), (1250, 1599719), (1265, 1580750), (1375, 1454290), (2530, 790375), (2750, 727145), (2875, 695530), (5750, 347765), (6323, 316250), (6325, 316150), (6875, 290858), (12646, 158125), (12650, 158075), (13750, 145429), (14375, 139106), (28750, 69553), (31615, 63250), (31625, 63230)]