346557680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19963}}^1$

素因数の和:20014

約数の個数: 80

約数和(自身を含む): 950605824

約数和(自身を除く): 604048144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 19963, 39926, 79852, 99815, 139741, 159704, 199630, 279482, 319408, 399260, 558964, 618853, 698705, 798520, 1117928, 1237706, 1397410, 1597040, 2235856, 2475412, 2794820, 3094265, 4331971, 4950824, 5589640, 6188530, 8663942, 9901648, 11179280, 12377060, 17327884, 21659855, 24754120, 34655768, 43319710, 49508240, 69311536, 86639420, 173278840, 346557680]

約数ペア:

[(1, 346557680), (2, 173278840), (4, 86639420), (5, 69311536), (7, 49508240), (8, 43319710), (10, 34655768), (14, 24754120), (16, 21659855), (20, 17327884), (28, 12377060), (31, 11179280), (35, 9901648), (40, 8663942), (56, 6188530), (62, 5589640), (70, 4950824), (80, 4331971), (112, 3094265), (124, 2794820), (140, 2475412), (155, 2235856), (217, 1597040), (248, 1397410), (280, 1237706), (310, 1117928), (434, 798520), (496, 698705), (560, 618853), (620, 558964), (868, 399260), (1085, 319408), (1240, 279482), (1736, 199630), (2170, 159704), (2480, 139741), (3472, 99815), (4340, 79852), (8680, 39926), (17360, 19963)]