78877330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 169279488

約数和(自身を除く): 90402158

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 163, 217, 223, 310, 326, 434, 446, 815, 1085, 1115, 1141, 1561, 1630, 2170, 2230, 2282, 3122, 5053, 5705, 6913, 7805, 10106, 11410, 13826, 15610, 25265, 34565, 35371, 36349, 48391, 50530, 69130, 70742, 72698, 96782, 176855, 181745, 241955, 254443, 353710, 363490, 483910, 508886, 1126819, 1272215, 2253638, 2544430, 5634095, 7887733, 11268190, 15775466, 39438665, 78877330]

約数ペア:

[(1, 78877330), (2, 39438665), (5, 15775466), (7, 11268190), (10, 7887733), (14, 5634095), (31, 2544430), (35, 2253638), (62, 1272215), (70, 1126819), (155, 508886), (163, 483910), (217, 363490), (223, 353710), (310, 254443), (326, 241955), (434, 181745), (446, 176855), (815, 96782), (1085, 72698), (1115, 70742), (1141, 69130), (1561, 50530), (1630, 48391), (2170, 36349), (2230, 35371), (2282, 34565), (3122, 25265), (5053, 15610), (5705, 13826), (6913, 11410), (7805, 10106)]