38921740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 60426740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 439, 572, 620, 682, 715, 806, 878, 1364, 1430, 1612, 1705, 1756, 2015, 2195, 2860, 3410, 4030, 4390, 4433, 4829, 5707, 6820, 8060, 8780, 8866, 9658, 11414, 13609, 17732, 19316, 22165, 22828, 24145, 27218, 28535, 44330, 48290, 54436, 57070, 62777, 68045, 88660, 96580, 114140, 125554, 136090, 149699, 176917, 251108, 272180, 299398, 313885, 353834, 598796, 627770, 707668, 748495, 884585, 1255540, 1496990, 1769170, 1946087, 2993980, 3538340, 3892174, 7784348, 9730435, 19460870, 38921740]

約数ペア:

[(1, 38921740), (2, 19460870), (4, 9730435), (5, 7784348), (10, 3892174), (11, 3538340), (13, 2993980), (20, 1946087), (22, 1769170), (26, 1496990), (31, 1255540), (44, 884585), (52, 748495), (55, 707668), (62, 627770), (65, 598796), (110, 353834), (124, 313885), (130, 299398), (143, 272180), (155, 251108), (220, 176917), (260, 149699), (286, 136090), (310, 125554), (341, 114140), (403, 96580), (439, 88660), (572, 68045), (620, 62777), (682, 57070), (715, 54436), (806, 48290), (878, 44330), (1364, 28535), (1430, 27218), (1612, 24145), (1705, 22828), (1756, 22165), (2015, 19316), (2195, 17732), (2860, 13609), (3410, 11414), (4030, 9658), (4390, 8866), (4433, 8780), (4829, 8060), (5707, 6820)]