393465680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15227}}^1$

素因数の和:15276

約数の個数: 80

約数和(自身を含む): 1019666880

約数和(自身を除く): 626201200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 15227, 25840, 30454, 60908, 76135, 121816, 152270, 243632, 258859, 289313, 304540, 517718, 578626, 609080, 1035436, 1157252, 1218160, 1294295, 1446565, 2070872, 2314504, 2588590, 2893130, 4141744, 4629008, 4918321, 5177180, 5786260, 9836642, 10354360, 11572520, 19673284, 20708720, 23145040, 24591605, 39346568, 49183210, 78693136, 98366420, 196732840, 393465680]

約数ペア:

[(1, 393465680), (2, 196732840), (4, 98366420), (5, 78693136), (8, 49183210), (10, 39346568), (16, 24591605), (17, 23145040), (19, 20708720), (20, 19673284), (34, 11572520), (38, 10354360), (40, 9836642), (68, 5786260), (76, 5177180), (80, 4918321), (85, 4629008), (95, 4141744), (136, 2893130), (152, 2588590), (170, 2314504), (190, 2070872), (272, 1446565), (304, 1294295), (323, 1218160), (340, 1157252), (380, 1035436), (646, 609080), (680, 578626), (760, 517718), (1292, 304540), (1360, 289313), (1520, 258859), (1615, 243632), (2584, 152270), (3230, 121816), (5168, 76135), (6460, 60908), (12920, 30454), (15227, 25840)]