391296007870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{160481}}^1$

素因数の和:160861

約数の個数: 64

約数和(自身を含む): 761917181760

約数和(自身を除く): 370621173890

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 313, 410, 626, 779, 1558, 1565, 3130, 3895, 5947, 7790, 11894, 12833, 25666, 29735, 59470, 64165, 128330, 160481, 243827, 320962, 487654, 802405, 1219135, 1604810, 2438270, 3049139, 6098278, 6579721, 13159442, 15245695, 30491390, 32898605, 50230553, 65797210, 100461106, 125014699, 250029398, 251152765, 502305530, 625073495, 954380507, 1250146990, 1908761014, 2059452673, 4118905346, 4771902535, 9543805070, 10297263365, 20594526730, 39129600787, 78259201574, 195648003935, 391296007870]

約数ペア:

[(1, 391296007870), (2, 195648003935), (5, 78259201574), (10, 39129600787), (19, 20594526730), (38, 10297263365), (41, 9543805070), (82, 4771902535), (95, 4118905346), (190, 2059452673), (205, 1908761014), (313, 1250146990), (410, 954380507), (626, 625073495), (779, 502305530), (1558, 251152765), (1565, 250029398), (3130, 125014699), (3895, 100461106), (5947, 65797210), (7790, 50230553), (11894, 32898605), (12833, 30491390), (25666, 15245695), (29735, 13159442), (59470, 6579721), (64165, 6098278), (128330, 3049139), (160481, 2438270), (243827, 1604810), (320962, 1219135), (487654, 802405)]