90982480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 222735744

約数和(自身を除く): 131753264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 197, 230, 251, 368, 394, 460, 502, 788, 920, 985, 1004, 1255, 1576, 1840, 1970, 2008, 2510, 3152, 3940, 4016, 4531, 5020, 5773, 7880, 9062, 10040, 11546, 15760, 18124, 20080, 22655, 23092, 28865, 36248, 45310, 46184, 49447, 57730, 72496, 90620, 92368, 98894, 115460, 181240, 197788, 230920, 247235, 362480, 395576, 461840, 494470, 791152, 988940, 1137281, 1977880, 2274562, 3955760, 4549124, 5686405, 9098248, 11372810, 18196496, 22745620, 45491240, 90982480]

約数ペア:

[(1, 90982480), (2, 45491240), (4, 22745620), (5, 18196496), (8, 11372810), (10, 9098248), (16, 5686405), (20, 4549124), (23, 3955760), (40, 2274562), (46, 1977880), (80, 1137281), (92, 988940), (115, 791152), (184, 494470), (197, 461840), (230, 395576), (251, 362480), (368, 247235), (394, 230920), (460, 197788), (502, 181240), (788, 115460), (920, 98894), (985, 92368), (1004, 90620), (1255, 72496), (1576, 57730), (1840, 49447), (1970, 46184), (2008, 45310), (2510, 36248), (3152, 28865), (3940, 23092), (4016, 22655), (4531, 20080), (5020, 18124), (5773, 15760), (7880, 11546), (9062, 10040)]