29940020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 73495296

約数和(自身を除く): 43555276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 61, 92, 97, 110, 115, 122, 194, 220, 230, 244, 253, 305, 388, 460, 485, 506, 610, 671, 970, 1012, 1067, 1220, 1265, 1342, 1403, 1940, 2134, 2231, 2530, 2684, 2806, 3355, 4268, 4462, 5060, 5335, 5612, 5917, 6710, 7015, 8924, 10670, 11155, 11834, 13420, 14030, 15433, 21340, 22310, 23668, 24541, 28060, 29585, 30866, 44620, 49082, 59170, 61732, 65087, 77165, 98164, 118340, 122705, 130174, 136091, 154330, 245410, 260348, 272182, 308660, 325435, 490820, 544364, 650870, 680455, 1301740, 1360910, 1497001, 2721820, 2994002, 5988004, 7485005, 14970010, 29940020]

約数ペア:

[(1, 29940020), (2, 14970010), (4, 7485005), (5, 5988004), (10, 2994002), (11, 2721820), (20, 1497001), (22, 1360910), (23, 1301740), (44, 680455), (46, 650870), (55, 544364), (61, 490820), (92, 325435), (97, 308660), (110, 272182), (115, 260348), (122, 245410), (194, 154330), (220, 136091), (230, 130174), (244, 122705), (253, 118340), (305, 98164), (388, 77165), (460, 65087), (485, 61732), (506, 59170), (610, 49082), (671, 44620), (970, 30866), (1012, 29585), (1067, 28060), (1220, 24541), (1265, 23668), (1342, 22310), (1403, 21340), (1940, 15433), (2134, 14030), (2231, 13420), (2530, 11834), (2684, 11155), (2806, 10670), (3355, 8924), (4268, 7015), (4462, 6710), (5060, 5917), (5335, 5612)]