28425904780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{3221}}^1$

素因数の和:3636

約数の個数: 144

約数和(自身を含む): 74094761664

約数和(自身を除く): 45668856884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 373, 455, 676, 746, 845, 910, 1183, 1492, 1690, 1820, 1865, 2366, 2611, 3221, 3380, 3730, 4732, 4849, 5222, 5915, 6442, 7460, 9698, 10444, 11830, 12884, 13055, 16105, 19396, 22547, 23660, 24245, 26110, 32210, 33943, 41873, 45094, 48490, 52220, 63037, 64420, 67886, 83746, 90188, 96980, 112735, 126074, 135772, 167492, 169715, 209365, 225470, 252148, 293111, 315185, 339430, 418730, 441259, 450940, 544349, 586222, 630370, 678860, 837460, 882518, 1088698, 1172444, 1201433, 1260740, 1465555, 1765036, 2177396, 2206295, 2402866, 2721745, 2931110, 3810443, 4412590, 4805732, 5443490, 5862220, 6007165, 7620886, 8410031, 8825180, 10886980, 12014330, 15241772, 15618629, 16820062, 19052215, 24028660, 31237258, 33640124, 38104430, 42050155, 62474516, 76208860, 78093145, 84100310, 109330403, 156186290, 168200620, 203042177, 218660806, 312372580, 406084354, 437321612, 546652015, 812168708, 1015210885, 1093304030, 1421295239, 2030421770, 2186608060, 2842590478, 4060843540, 5685180956, 7106476195, 14212952390, 28425904780]

約数ペア:

[(1, 28425904780), (2, 14212952390), (4, 7106476195), (5, 5685180956), (7, 4060843540), (10, 2842590478), (13, 2186608060), (14, 2030421770), (20, 1421295239), (26, 1093304030), (28, 1015210885), (35, 812168708), (52, 546652015), (65, 437321612), (70, 406084354), (91, 312372580), (130, 218660806), (140, 203042177), (169, 168200620), (182, 156186290), (260, 109330403), (338, 84100310), (364, 78093145), (373, 76208860), (455, 62474516), (676, 42050155), (746, 38104430), (845, 33640124), (910, 31237258), (1183, 24028660), (1492, 19052215), (1690, 16820062), (1820, 15618629), (1865, 15241772), (2366, 12014330), (2611, 10886980), (3221, 8825180), (3380, 8410031), (3730, 7620886), (4732, 6007165), (4849, 5862220), (5222, 5443490), (5915, 4805732), (6442, 4412590), (7460, 3810443), (9698, 2931110), (10444, 2721745), (11830, 2402866), (12884, 2206295), (13055, 2177396), (16105, 1765036), (19396, 1465555), (22547, 1260740), (23660, 1201433), (24245, 1172444), (26110, 1088698), (32210, 882518), (33943, 837460), (41873, 678860), (45094, 630370), (48490, 586222), (52220, 544349), (63037, 450940), (64420, 441259), (67886, 418730), (83746, 339430), (90188, 315185), (96980, 293111), (112735, 252148), (126074, 225470), (135772, 209365), (167492, 169715)]