310044020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 796884480

約数和(自身を除く): 486840460

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 169, 220, 260, 269, 286, 310, 338, 341, 403, 538, 572, 620, 676, 682, 715, 806, 845, 1076, 1345, 1364, 1430, 1612, 1690, 1705, 1859, 2015, 2690, 2860, 2959, 3380, 3410, 3497, 3718, 4030, 4433, 5239, 5380, 5918, 6820, 6994, 7436, 8060, 8339, 8866, 9295, 10478, 11836, 13988, 14795, 16678, 17485, 17732, 18590, 20956, 22165, 26195, 29590, 33356, 34970, 37180, 38467, 41695, 44330, 45461, 52390, 57629, 59180, 69940, 76934, 83390, 88660, 90922, 91729, 104780, 108407, 115258, 153868, 166780, 181844, 183458, 192335, 216814, 227305, 230516, 288145, 366916, 384670, 433628, 454610, 458645, 500071, 542035, 576290, 769340, 909220, 917290, 1000142, 1084070, 1152580, 1192477, 1409291, 1834580, 2000284, 2168140, 2384954, 2500355, 2818582, 4769908, 5000710, 5637164, 5962385, 7046455, 10001420, 11924770, 14092910, 15502201, 23849540, 28185820, 31004402, 62008804, 77511005, 155022010, 310044020]

約数ペア:

[(1, 310044020), (2, 155022010), (4, 77511005), (5, 62008804), (10, 31004402), (11, 28185820), (13, 23849540), (20, 15502201), (22, 14092910), (26, 11924770), (31, 10001420), (44, 7046455), (52, 5962385), (55, 5637164), (62, 5000710), (65, 4769908), (110, 2818582), (124, 2500355), (130, 2384954), (143, 2168140), (155, 2000284), (169, 1834580), (220, 1409291), (260, 1192477), (269, 1152580), (286, 1084070), (310, 1000142), (338, 917290), (341, 909220), (403, 769340), (538, 576290), (572, 542035), (620, 500071), (676, 458645), (682, 454610), (715, 433628), (806, 384670), (845, 366916), (1076, 288145), (1345, 230516), (1364, 227305), (1430, 216814), (1612, 192335), (1690, 183458), (1705, 181844), (1859, 166780), (2015, 153868), (2690, 115258), (2860, 108407), (2959, 104780), (3380, 91729), (3410, 90922), (3497, 88660), (3718, 83390), (4030, 76934), (4433, 69940), (5239, 59180), (5380, 57629), (5918, 52390), (6820, 45461), (6994, 44330), (7436, 41695), (8060, 38467), (8339, 37180), (8866, 34970), (9295, 33356), (10478, 29590), (11836, 26195), (13988, 22165), (14795, 20956), (16678, 18590), (17485, 17732)]