280147507220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6521}}^1\times {\mathrm{6529}}^1$

素因数の和:13113

約数の個数: 96

約数和(自身を含む): 686869908480

約数和(自身を除く): 406722401260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6521, 6529, 6580, 13042, 13058, 26084, 26116, 32605, 32645, 45647, 45703, 65210, 65290, 91294, 91406, 130420, 130580, 182588, 182812, 228235, 228515, 306487, 306863, 456470, 457030, 612974, 613726, 912940, 914060, 1225948, 1227452, 1532435, 1534315, 2145409, 2148041, 3064870, 3068630, 4290818, 4296082, 6129740, 6137260, 8581636, 8592164, 10727045, 10740205, 21454090, 21480410, 42575609, 42908180, 42960820, 85151218, 170302436, 212878045, 298029263, 425756090, 596058526, 851512180, 1192117052, 1490146315, 2001053623, 2980292630, 4002107246, 5960585260, 8004214492, 10005268115, 14007375361, 20010536230, 28014750722, 40021072460, 56029501444, 70036876805, 140073753610, 280147507220]

約数ペア:

[(1, 280147507220), (2, 140073753610), (4, 70036876805), (5, 56029501444), (7, 40021072460), (10, 28014750722), (14, 20010536230), (20, 14007375361), (28, 10005268115), (35, 8004214492), (47, 5960585260), (70, 4002107246), (94, 2980292630), (140, 2001053623), (188, 1490146315), (235, 1192117052), (329, 851512180), (470, 596058526), (658, 425756090), (940, 298029263), (1316, 212878045), (1645, 170302436), (3290, 85151218), (6521, 42960820), (6529, 42908180), (6580, 42575609), (13042, 21480410), (13058, 21454090), (26084, 10740205), (26116, 10727045), (32605, 8592164), (32645, 8581636), (45647, 6137260), (45703, 6129740), (65210, 4296082), (65290, 4290818), (91294, 3068630), (91406, 3064870), (130420, 2148041), (130580, 2145409), (182588, 1534315), (182812, 1532435), (228235, 1227452), (228515, 1225948), (306487, 914060), (306863, 912940), (456470, 613726), (457030, 612974)]