218358140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{839}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 619799040

約数和(自身を除く): 401440900

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 169, 182, 220, 260, 286, 308, 338, 364, 385, 455, 572, 676, 715, 770, 839, 845, 910, 1001, 1183, 1430, 1540, 1678, 1690, 1820, 1859, 2002, 2366, 2860, 3356, 3380, 3718, 4004, 4195, 4732, 5005, 5873, 5915, 7436, 8390, 9229, 9295, 10010, 10907, 11746, 11830, 13013, 16780, 18458, 18590, 20020, 21814, 23492, 23660, 26026, 29365, 36916, 37180, 43628, 46145, 52052, 54535, 58730, 64603, 65065, 76349, 92290, 109070, 117460, 119977, 129206, 130130, 141791, 152698, 184580, 218140, 239954, 258412, 260260, 283582, 305396, 323015, 381745, 479908, 567164, 599885, 646030, 708955, 763490, 839839, 992537, 1199770, 1292060, 1417910, 1526980, 1559701, 1679678, 1985074, 2399540, 2835820, 3119402, 3359356, 3970148, 4199195, 4962685, 6238804, 7798505, 8398390, 9925370, 10917907, 15597010, 16796780, 19850740, 21835814, 31194020, 43671628, 54589535, 109179070, 218358140]

約数ペア:

[(1, 218358140), (2, 109179070), (4, 54589535), (5, 43671628), (7, 31194020), (10, 21835814), (11, 19850740), (13, 16796780), (14, 15597010), (20, 10917907), (22, 9925370), (26, 8398390), (28, 7798505), (35, 6238804), (44, 4962685), (52, 4199195), (55, 3970148), (65, 3359356), (70, 3119402), (77, 2835820), (91, 2399540), (110, 1985074), (130, 1679678), (140, 1559701), (143, 1526980), (154, 1417910), (169, 1292060), (182, 1199770), (220, 992537), (260, 839839), (286, 763490), (308, 708955), (338, 646030), (364, 599885), (385, 567164), (455, 479908), (572, 381745), (676, 323015), (715, 305396), (770, 283582), (839, 260260), (845, 258412), (910, 239954), (1001, 218140), (1183, 184580), (1430, 152698), (1540, 141791), (1678, 130130), (1690, 129206), (1820, 119977), (1859, 117460), (2002, 109070), (2366, 92290), (2860, 76349), (3356, 65065), (3380, 64603), (3718, 58730), (4004, 54535), (4195, 52052), (4732, 46145), (5005, 43628), (5873, 37180), (5915, 36916), (7436, 29365), (8390, 26026), (9229, 23660), (9295, 23492), (10010, 21814), (10907, 20020), (11746, 18590), (11830, 18458), (13013, 16780)]