38820990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 128

約数和(自身を含む): 109670400

約数和(自身を除く): 70849410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 93, 95, 114, 130, 155, 169, 186, 190, 195, 247, 285, 310, 338, 390, 403, 465, 494, 507, 570, 589, 741, 806, 845, 930, 1014, 1178, 1209, 1235, 1482, 1690, 1767, 2015, 2197, 2418, 2470, 2535, 2945, 3211, 3534, 3705, 4030, 4394, 5070, 5239, 5890, 6045, 6422, 6591, 7410, 7657, 8835, 9633, 10478, 10985, 12090, 13182, 15314, 15717, 16055, 17670, 19266, 21970, 22971, 26195, 31434, 32110, 32955, 38285, 41743, 45942, 48165, 52390, 65910, 68107, 76570, 78585, 83486, 96330, 99541, 114855, 125229, 136214, 157170, 199082, 204321, 208715, 229710, 250458, 298623, 340535, 408642, 417430, 497705, 597246, 626145, 681070, 995410, 1021605, 1252290, 1294033, 1493115, 2043210, 2588066, 2986230, 3882099, 6470165, 7764198, 12940330, 19410495, 38820990]

約数ペア:

[(1, 38820990), (2, 19410495), (3, 12940330), (5, 7764198), (6, 6470165), (10, 3882099), (13, 2986230), (15, 2588066), (19, 2043210), (26, 1493115), (30, 1294033), (31, 1252290), (38, 1021605), (39, 995410), (57, 681070), (62, 626145), (65, 597246), (78, 497705), (93, 417430), (95, 408642), (114, 340535), (130, 298623), (155, 250458), (169, 229710), (186, 208715), (190, 204321), (195, 199082), (247, 157170), (285, 136214), (310, 125229), (338, 114855), (390, 99541), (403, 96330), (465, 83486), (494, 78585), (507, 76570), (570, 68107), (589, 65910), (741, 52390), (806, 48165), (845, 45942), (930, 41743), (1014, 38285), (1178, 32955), (1209, 32110), (1235, 31434), (1482, 26195), (1690, 22971), (1767, 21970), (2015, 19266), (2197, 17670), (2418, 16055), (2470, 15717), (2535, 15314), (2945, 13182), (3211, 12090), (3534, 10985), (3705, 10478), (4030, 9633), (4394, 8835), (5070, 7657), (5239, 7410), (5890, 6591), (6045, 6422)]